Every CVE Search/ Get API key

CVE-2026-74960

Site isolation issue in the WebExtensions component

8.1 HighFix available

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.16%Unchanged since Aug 19, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.1

Site isolation issue in the WebExtensions component

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Record
CVE-2026-74960
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-346, CWE-284
Updated
2026-11-02
EUVDEUVD-2026-60659 8.1

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Record
EUVD-2026-60659
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-5r7x-fg3w-vcg2 8.1

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154,...

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

Record
GHSA-5r7x-fg3w-vcg2
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-284
Updated
2026-11-02
NVD 8.1

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Record
CVE-2026-74960
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-284, CWE-346
Updated
2026-11-02
OSVDEBIAN-CVE-2026-74960 8.1

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Record
DEBIAN-CVE-2026-74960
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVOESA-2026-3556 9.8

firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability…

Record
OESA-2026-3556
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 48 moreShow less
OSVOESA-2026-3557 9.8

firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability…

Record
OESA-2026-3557
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-3558 9.8

firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability…

Record
OESA-2026-3558
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-3559 9.8

firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability…

Record
OESA-2026-3559
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-3576 9.8

thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74949)

Privilege escalation in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74953)

Mitigation bypass in the Safe Browsing component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14,…

Record
OESA-2026-3576
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-3577 9.8

thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74934)

A privilege escalation vulnerability exists in Mozilla Firefox and Thunderbird in the DOM: Networking component. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. An attacker could exploit this vulnerability to affect confidentiality, integrity, and availability. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74935)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74936)

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74939)

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74940)

Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This has an impact on confidentiality, integrity, and availability.(CVE-2026-74941)

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.(CVE-2026-74942)

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74943)

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74944)

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74945)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74946)

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74948)

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74949)

Privilege escalation in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.(CVE-2026-74953)

Mitigation bypass in the Safe Browsing component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14,…

Record
OESA-2026-3577
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:58897 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:58897
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:58898 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:58898
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:58899 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:58899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:64813 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:64813
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:64814 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:64814
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65103 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65103
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65105 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65105
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65110 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65110
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65111 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65111
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65158 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65158
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65159 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65159
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65160 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65160
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65442 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65442
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65633 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65633
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65669 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65669
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65670 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65670
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65757 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65757
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65764 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65764
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65765 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65765
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65766 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:65766
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:65888 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:65888
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:58897 7.5

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)

  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)

  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)

  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)

  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)

  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:58897
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:58898 7.5

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)

  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)

  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)

  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)

  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)

  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:58898
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:58899 7.5

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)

  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)

  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)

  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)

  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)

  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:58899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:65158 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)

  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:65158
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:65159 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:65159
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2026:65160 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)

  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)

  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)

  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)

  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)

  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)

  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)

  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)

  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)

  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)

  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)

  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)

  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)

  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)

  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)

  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)

  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)

  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)

  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)

  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)

  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)

  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)

  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)

  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:65160
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-74960 8.1

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Record
UBUNTU-CVE-2026-74960
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVALSA-2026:58897 No score

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)
  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)
  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)
  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)
  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)
  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)
  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:58897
Updated
2026-11-02
OSVALSA-2026:58898 No score

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)
  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)
  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)
  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)
  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)
  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)
  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:58898
Updated
2026-11-02
OSVALSA-2026:58899 No score

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component (CVE-2026-74983)
  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)
  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)
  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)
  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)
  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-74969)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)
  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:58899
Updated
2026-11-02
OSVALSA-2026:65158 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Use-after-free in the Graphics: ImageLib component (CVE-2026-74943)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)
  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component (CVE-2026-74949)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-74944)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:65158
Updated
2026-11-02
OSVALSA-2026:65159 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-74936)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:65159
Updated
2026-11-02
OSVALSA-2026:65160 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component (CVE-2026-74934)
  • firefox: thunderbird: Privilege escalation in the Networking: Cookies component (CVE-2026-74953)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74987)
  • firefox: thunderbird: Information disclosure in the Graphics component (CVE-2026-74948)
  • firefox: thunderbird: Information disclosure in the DOM: UI Events & Focus Handling component (CVE-2026-74971)
  • firefox: thunderbird: Privilege escalation in the Graphics: CanvasWebGL component (CVE-2026-74941)
  • firefox: Privilege escalation in the Shell Integration component (CVE-2026-74965)
  • firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-74946)
  • firefox: Race condition, use-after-free in the Graphics component (CVE-2026-74973)
  • firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154 (CVE-2026-74990)
  • firefox: thunderbird: Use-after-free in the Graphics: Text component (CVE-2026-74940)
  • firefox: thunderbird: Site isolation issue in the WebExtensions component (CVE-2026-74960)
  • firefox: thunderbird: Mitigation bypass in the Storage: Cache API component (CVE-2026-74959)
  • firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-74976)
  • firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component (CVE-2026-74974)
  • firefox: thunderbird: Mitigation bypass in the Safe Browsing component (CVE-2026-74957)
  • firefox: thunderbird: Same-origin policy bypass in the Audio/Video: Playback component (CVE-2026-74967)
  • firefox: Privilege escalation in the Remote Settings Client component (CVE-2026-74942)
  • firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-74939)
  • firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component (CVE-2026-74972)
  • firefox: thunderbird: Information disclosure in the Graphics: Text component (CVE-2026-74945)
  • firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-74963)
  • firefox: Integer overflow in the Graphics component (CVE-2026-74964)
  • firefox: Site isolation issue in the Networking: Cookies component (CVE-2026-74962)
  • firefox: thunderbird: Privilege escalation in the DOM: Networking component (CVE-2026-74935)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:65160
Updated
2026-11-02
OSVCLSA-2026-1788696027 No score

thunderbird: Fix of 78 CVEs

  • update to 153.2.0 ESR (MFSA 2026-80, MFSA 2026-88)
  • regenerate P11 rust-file-removal: the comm copy of the vendored wast crate changed in 153.2.0, so its one-line .cargo-checksum.json hunk no longer matched (the third_party copy and idna were unaffected)
  • CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component
  • CVE-2026-74935: Privilege escalation in the DOM: Networking component
  • CVE-2026-74936: Use-after-free in the JavaScript: WebAssembly component
  • CVE-2026-74937: Use-after-free in the JavaScript: GC component
  • CVE-2026-74938: Mitigation bypass in the JavaScript: GC component
  • CVE-2026-74939: Privilege escalation in the DOM: Navigation component
  • CVE-2026-74940: Use-after-free in the Graphics: Text component
  • CVE-2026-74941: Privilege escalation in the Graphics: CanvasWebGL component
  • CVE-2026-74942: Privilege escalation in the Remote Settings Client component
  • CVE-2026-74943: Use-after-free in the Graphics: ImageLib component
  • CVE-2026-74944: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-74945: Information disclosure in the Graphics: Text component
  • CVE-2026-74946: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
  • CVE-2026-74947: Privilege escalation due to invalid pointer in the Graphics component
  • CVE-2026-74948: Information disclosure in the Graphics component
  • CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics: Canvas2D component
  • CVE-2026-74952: Privilege escalation in the Application Update component
  • CVE-2026-74953: Privilege escalation in the Networking: Cookies component
  • CVE-2026-74954: Information disclosure due to side-channel in the Storage: Cache API component
  • CVE-2026-74955: Privilege escalation in the Request Handling component
  • CVE-2026-74956: Same-origin policy bypass in the DOM: Service Workers component
  • CVE-2026-74957: Mitigation bypass in the Safe Browsing component
  • CVE-2026-74958: Information disclosure in the WebRTC component
  • CVE-2026-74959: Mitigation bypass in the Storage: Cache API component
  • CVE-2026-74960: Site isolation issue in the WebExtensions component
  • CVE-2026-74961: Side-channel in the Web Audio component
  • CVE-2026-74962: Site isolation issue in the Networking: Cookies component
  • CVE-2026-74963: Same-origin policy bypass in the Networking: Cookies component
  • CVE-2026-74964: Integer overflow in the Graphics component
  • CVE-2026-74965: Privilege escalation in the Shell Integration component
  • CVE-2026-74966: Information disclosure in the Form Autofill component
  • CVE-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component
  • CVE-2026-74968: Site isolation issue in the Graphics: WebRender component
  • CVE-2026-74969: Use-after-free in the Layout: Text and Fonts component
  • CVE-2026-74970: Site isolation issue in the Graphics component
  • CVE-2026-74971: Information disclosure in the DOM: UI Events & Focus Handling component
  • CVE-2026-74972: Information disclosure in the DOM: Push Subscriptions component
  • CVE-2026-74973: Race condition, use-after-free in the Graphics component
  • CVE-2026-74974: Same-origin policy bypass in the Graphics: ImageLib component
  • CVE-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component
  • CVE-2026-74977: Integer overflow in the Graphics component
  • CVE-2026-74978: Clickjacking issue in the Widget component
  • CVE-2026-74979: Mitigation bypass in the Add-ons Manager component
  • CVE-2026-74981: Site isolation issue in the Audio/Video: Web Codecs component
  • CVE-2026-74982: Denial-of-service in the Widget component
  • CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component
  • CVE-2026-74984: Race condition in the JavaScript Engine component
  • CVE-2026-74985: Privilege escalation in the Enterprise Policies component
  • CVE-2026-74986: Site isolation issue in the CSS Parsing and Computation component
  • CVE-2026-74987: Internally found bugs fixed in…
Record
CLSA-2026-1788696027
Updated
2026-11-02
OSVMGASA-2026-0345 No score

Updated nspr, nss, & firefox packages fix security vulnerabilities

Site isolation issue in the Graphics: CanvasWebGL component. (CVE-2026-74934) Privilege escalation in the DOM: Networking component. (CVE-2026-74935) Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-74936) Use-after-free in the JavaScript: GC component. (CVE-2026-74937) Mitigation bypass in the JavaScript: GC component. (CVE-2026-74938) Privilege escalation in the DOM: Navigation component. (CVE-2026-74939) Use-after-free in the Graphics: Text component. (CVE-2026-74940) Privilege escalation in the Graphics: CanvasWebGL component. (CVE-2026-74941) Privilege escalation in the Remote Settings Client component. (CVE-2026-74942) Use-after-free in the Graphics: ImageLib component. (CVE-2026-74943) Use-after-free in the DOM: Core & HTML component. (CVE-2026-74944) Information disclosure in the Graphics: Text component. (CVE-2026-74945) Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. (CVE-2026-74946) Privilege escalation due to invalid pointer in the Graphics component. (CVE-2026-74947) Information disclosure in the Graphics component. (CVE-2026-74948) Privilege escalation in the Downloads API component. (CVE-2026-74950) Privilege escalation in the Networking: Cookies component. (CVE-2026-74953) Information disclosure due to side-channel in the Storage: Cache API component. (CVE-2026-74954) Privilege escalation in the Request Handling component. (CVE-2026-74955) Same-origin policy bypass in the DOM: Service Workers component. (CVE-2026-74956) Mitigation bypass in the Safe Browsing component. (CVE-2026-74957) Information disclosure in the WebRTC component. (CVE-2026-74958) Mitigation bypass in the Storage: Cache API component. (CVE-2026-74959) Site isolation issue in the WebExtensions component. (CVE-2026-74960) Side-channel in the Web Audio component. (CVE-2026-74961) Site isolation issue in the Networking: Cookies component. (CVE-2026-74962) Same-origin policy bypass in the Networking: Cookies component. (CVE-2026-74963) Integer overflow in the Graphics component. (CVE-2026-74964) Privilege escalation in the Shell Integration component. (CVE-2026-74965) Information disclosure in the Form Autofill component. (CVE-2026-74966) Same-origin policy bypass in the Audio/Video: Playback component. (CVE-2026-74967) Site isolation issue in the Graphics: WebRender component. (CVE-2026-74968) Use-after-free in the Layout: Text and Fonts component. (CVE-2026-74969) Site isolation issue in the Graphics component. (CVE-2026-74970) Information disclosure in the DOM: UI Events & Focus Handling component. (CVE-2026-74971) Information disclosure in the DOM: Push Subscriptions component. (CVE-2026-74972) Use-after-free in the Graphics: Canvas2D component. (CVE-2026-74949) Race condition, use-after-free in the Graphics component. (CVE-2026-74973) Same-origin policy bypass in the Graphics: ImageLib component. (CVE-2026-74974) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-74976) Integer overflow in the Graphics component. (CVE-2026-74977) Clickjacking issue in the Widget component. (CVE-2026-74978) Mitigation bypass in the Add-ons Manager component. (CVE-2026-74979) Site isolation issue in the Audio/Video: Web Codecs component. (CVE-2026-74981) Denial-of-service in the Widget component. (CVE-2026-74982) Mitigation bypass in the Data Loss Prevention component. (CVE-2026-74983) Race condition in the JavaScript Engine component. (CVE-2026-74984) Privilege escalation in the Enterprise Policies component. (CVE-2026-74985) Site isolation issue in the CSS Parsing and Computation component. (CVE-2026-74986) Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154. (CVE-2026-74987) Internally found bugs fixed in Firefox ESR 153.1 and Firefox 154. (CVE-2026-74988) Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154. (CVE-2026-74990)

Record
MGASA-2026-0345
Updated
2026-11-02
OSVMGASA-2026-0346 No score

Updated thunderbird packages fix security vulnerabilities

Site isolation issue in the Graphics: CanvasWebGL component. (CVE-2026-74934) Privilege escalation in the DOM: Networking component. (CVE-2026-74935) Use-after-free in the JavaScript: WebAssembly component. (CVE-2026-74936) Use-after-free in the JavaScript: GC component. (CVE-2026-74937) Mitigation bypass in the JavaScript: GC component. (CVE-2026-74938) Privilege escalation in the DOM: Navigation component. (CVE-2026-74939) Use-after-free in the Graphics: Text component. (CVE-2026-74940) Privilege escalation in the Graphics: CanvasWebGL component. (CVE-2026-74941) Privilege escalation in the Remote Settings Client component. (CVE-2026-74942) Use-after-free in the Graphics: ImageLib component. (CVE-2026-74943) Use-after-free in the DOM: Core & HTML component. (CVE-2026-74944) Information disclosure in the Graphics: Text component. (CVE-2026-74945) Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. (CVE-2026-74946) Privilege escalation due to invalid pointer in the Graphics component. (CVE-2026-74947) Information disclosure in the Graphics component. (CVE-2026-74948) Privilege escalation in the Downloads API component. (CVE-2026-74950) Privilege escalation in the Networking: Cookies component. (CVE-2026-74953) Information disclosure due to side-channel in the Storage: Cache API component. (CVE-2026-74954) Privilege escalation in the Request Handling component. (CVE-2026-74955) Same-origin policy bypass in the DOM: Service Workers component. (CVE-2026-74956) Mitigation bypass in the Safe Browsing component. (CVE-2026-74957) Information disclosure in the WebRTC component. (CVE-2026-74958) Mitigation bypass in the Storage: Cache API component. (CVE-2026-74959) Site isolation issue in the WebExtensions component. (CVE-2026-74960) Side-channel in the Web Audio component. (CVE-2026-74961) Site isolation issue in the Networking: Cookies component. (CVE-2026-74962) Same-origin policy bypass in the Networking: Cookies component. (CVE-2026-74963) Integer overflow in the Graphics component. (CVE-2026-74964) Privilege escalation in the Shell Integration component. (CVE-2026-74965) Information disclosure in the Form Autofill component. (CVE-2026-74966) Same-origin policy bypass in the Audio/Video: Playback component. (CVE-2026-74967) Site isolation issue in the Graphics: WebRender component. (CVE-2026-74968) Use-after-free in the Layout: Text and Fonts component. (CVE-2026-74969) Site isolation issue in the Graphics component. (CVE-2026-74970) Information disclosure in the DOM: UI Events & Focus Handling component. (CVE-2026-74971) Information disclosure in the DOM: Push Subscriptions component. (CVE-2026-74972) Use-after-free in the Graphics: Canvas2D component. (CVE-2026-74949) Race condition, use-after-free in the Graphics component. (CVE-2026-74973) Same-origin policy bypass in the Graphics: ImageLib component. (CVE-2026-74974) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-74976) Integer overflow in the Graphics component. (CVE-2026-74977) Clickjacking issue in the Widget component. (CVE-2026-74978) Mitigation bypass in the Add-ons Manager component. (CVE-2026-74979) Site isolation issue in the Audio/Video: Web Codecs component. (CVE-2026-74981) Denial-of-service in the Widget component. (CVE-2026-74982) Mitigation bypass in the Data Loss Prevention component. (CVE-2026-74983) Race condition in the JavaScript Engine component. (CVE-2026-74984) Privilege escalation in the Enterprise Policies component. (CVE-2026-74985) Site isolation issue in the CSS Parsing and Computation component. (CVE-2026-74986) Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154. (CVE-2026-74987) Internally found bugs fixed in Thunderbird ESR 153.1 and Thunderbird 154 (CVE-2026-74988) Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154. (CVE-2026-74990)

Record
MGASA-2026-0346
Updated
2026-11-02
OSVopenSUSE-SU-2026:11546-1 No score

firefox-esr-153.1.0-1.1 on GA media

These are all security issues fixed in the firefox-esr-153.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11546-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11558-1 No score

MozillaThunderbird-140.14.0-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-140.14.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11558-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11580-1 No score

MozillaFirefox-154.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-154.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11580-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21594-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 140.14.0 ESR.

  • MFSA 2026-76 (bsc#1274867)
    • CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component
    • CVE-2026-74935: Privilege escalation in the DOM: Networking component
    • CVE-2026-74936: Use-after-free in the JavaScript: WebAssembly component
    • CVE-2026-74939: Privilege escalation in the DOM: Navigation component
    • CVE-2026-74940: Use-after-free in the Graphics: Text component
    • CVE-2026-74941: Privilege escalation in the Graphics: CanvasWebGL component
    • CVE-2026-74942: Privilege escalation in the Remote Settings Client component
    • CVE-2026-74943: Use-after-free in the Graphics: ImageLib component
    • CVE-2026-74944: Use-after-free in the DOM: Core & HTML component
    • CVE-2026-74945: Information disclosure in the Graphics: Text component
    • CVE-2026-74946: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
    • CVE-2026-74948: Information disclosure in the Graphics component
    • CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics:Canvas2D component
    • CVE-2026-74953: Privilege escalation in the Networking: Cookies component
    • CVE-2026-74957: Mitigation bypass in the Safe Browsing component
    • CVE-2026-74959: Mitigation bypass in the Storage: Cache API component
    • CVE-2026-74960: Site isolation issue in the WebExtensions component
    • CVE-2026-74962: Site isolation issue in the Networking: Cookies component
    • CVE-2026-74963: Same-origin policy bypass in the Networking: Cookies component
    • CVE-2026-74964: Integer overflow in the Graphics component
    • CVE-2026-74965: Privilege escalation in the Shell Integration component
    • CVE-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component
    • CVE-2026-74969: Use-after-free in the Layout: Text and Fonts component
    • CVE-2026-74971: Information disclosure in the DOM: UI Events & Focus Handling component
    • CVE-2026-74972: Information disclosure in the DOM: Push Subscriptions component
    • CVE-2026-74973: Race condition, use-after-free in the Graphics component
    • CVE-2026-74974: Same-origin policy bypass in the Graphics: ImageLib component
    • CVE-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component
    • CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component
    • CVE-2026-74987: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154
    • CVE-2026-74990: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154
Record
openSUSE-SU-2026:21594-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21713-1 No score

Security update for MozillaFirefox, mozilla-nss, mozilla-nspr, rust-cbindgen

This update for MozillaFirefox, mozilla-nss, mozilla-nspr, rust-cbindgen fixes the following issues:

Changes in MozillaFirefox:

Firefox Extended Support Release 153.1.0 ESR.

  • Fixed: Various security fixes.

MFSA 2026-77 (bsc#1274867):

  • CVE-2026-74934 Site isolation issue in the Graphics: CanvasWebGL component
  • CVE-2026-74935 Privilege escalation in the DOM: Networking component
  • CVE-2026-74936 Use-after-free in the JavaScript: WebAssembly component
  • CVE-2026-74937 Use-after-free in the JavaScript: GC component
  • CVE-2026-74938 Mitigation bypass in the JavaScript: GC component
  • CVE-2026-74939 Privilege escalation in the DOM: Navigation component
  • CVE-2026-74940 Use-after-free in the Graphics: Text component
  • CVE-2026-74941 Privilege escalation in the Graphics: CanvasWebGL component
  • CVE-2026-74942 Privilege escalation in the Remote Settings Client component
  • CVE-2026-74943 Use-after-free in the Graphics: ImageLib component
  • CVE-2026-74944 Use-after-free in the DOM: Core & HTML component
  • CVE-2026-74945 Information disclosure in the Graphics: Text component
  • CVE-2026-74946 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
  • CVE-2026-74947 Privilege escalation due to invalid pointer in the Graphics component
  • CVE-2026-74948 Information disclosure in the Graphics component
  • CVE-2026-74949 Privilege escalation due to use-after-free in the Graphics: Canvas2D component
  • CVE-2026-74950 Privilege escalation in the Downloads API component
  • CVE-2026-74953 Privilege escalation in the Networking: Cookies component
  • CVE-2026-74954 Information disclosure due to side-channel in the Storage: Cache API component
  • CVE-2026-74955 Privilege escalation in the Request Handling component
  • CVE-2026-74956 Same-origin policy bypass in the DOM: Service Workers component
  • CVE-2026-74957 Mitigation bypass in the Safe Browsing component
  • CVE-2026-74958 Information disclosure in the WebRTC component
  • CVE-2026-74959 Mitigation bypass in the Storage: Cache API component
  • CVE-2026-74960 Site isolation issue in the WebExtensions component
  • CVE-2026-74961 Side-channel in the Web Audio component
  • CVE-2026-74962 Site isolation issue in the Networking: Cookies component
  • CVE-2026-74963 Same-origin policy bypass in the Networking: Cookies component
  • CVE-2026-74964 Integer overflow in the Graphics component
  • CVE-2026-74965 Privilege escalation in the Shell Integration component
  • CVE-2026-74966 Information disclosure in the Form Autofill component
  • CVE-2026-74967 Same-origin policy bypass in the Audio/Video: Playback component
  • CVE-2026-74968 Site isolation issue in the Graphics: WebRender component
  • CVE-2026-74969 Use-after-free in the Layout: Text and Fonts component
  • CVE-2026-74970 Site isolation issue in the Graphics component
  • CVE-2026-74971 Information disclosure in the DOM: UI Events & Focus Handling component
  • CVE-2026-74972 Information disclosure in the DOM: Push Subscriptions component
  • CVE-2026-74973 Race condition, use-after-free in the Graphics component
  • CVE-2026-74974 Same-origin policy bypass in the Graphics: ImageLib component
  • CVE-2026-74976 JIT miscompilation in the JavaScript Engine: JIT component
  • CVE-2026-74977 Integer overflow in the Graphics component
  • CVE-2026-74978 Clickjacking issue in the Widget component
  • CVE-2026-74979 Mitigation bypass in the Add-ons Manager component
  • CVE-2026-74981 Site isolation issue in the Audio/Video: Web Codecs component
  • CVE-2026-74982 Denial-of-service in the Widget component
  • CVE-2026-74983 Mitigation bypass in the Data Loss Prevention component
  • CVE-2026-74984 Race condition in the JavaScript Engine component
  • CVE-2026-74985 Privilege escalation in the Enterprise Policies component
  • CVE-2026-74986 Site isolation issue in the CSS Parsing and Computation component *…
Record
openSUSE-SU-2026:21713-1
Updated
2026-11-02
OSVSUSE-SU-2026:23304-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 140.14.0 ESR.

  • MFSA 2026-76 (bsc#1274867)
    • CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component
    • CVE-2026-74935: Privilege escalation in the DOM: Networking component
    • CVE-2026-74936: Use-after-free in the JavaScript: WebAssembly component
    • CVE-2026-74939: Privilege escalation in the DOM: Navigation component
    • CVE-2026-74940: Use-after-free in the Graphics: Text component
    • CVE-2026-74941: Privilege escalation in the Graphics: CanvasWebGL component
    • CVE-2026-74942: Privilege escalation in the Remote Settings Client component
    • CVE-2026-74943: Use-after-free in the Graphics: ImageLib component
    • CVE-2026-74944: Use-after-free in the DOM: Core & HTML component
    • CVE-2026-74945: Information disclosure in the Graphics: Text component
    • CVE-2026-74946: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
    • CVE-2026-74948: Information disclosure in the Graphics component
    • CVE-2026-74949: Privilege escalation due to use-after-free in the Graphics:Canvas2D component
    • CVE-2026-74953: Privilege escalation in the Networking: Cookies component
    • CVE-2026-74957: Mitigation bypass in the Safe Browsing component
    • CVE-2026-74959: Mitigation bypass in the Storage: Cache API component
    • CVE-2026-74960: Site isolation issue in the WebExtensions component
    • CVE-2026-74962: Site isolation issue in the Networking: Cookies component
    • CVE-2026-74963: Same-origin policy bypass in the Networking: Cookies component
    • CVE-2026-74964: Integer overflow in the Graphics component
    • CVE-2026-74965: Privilege escalation in the Shell Integration component
    • CVE-2026-74967: Same-origin policy bypass in the Audio/Video: Playback component
    • CVE-2026-74969: Use-after-free in the Layout: Text and Fonts component
    • CVE-2026-74971: Information disclosure in the DOM: UI Events & Focus Handling component
    • CVE-2026-74972: Information disclosure in the DOM: Push Subscriptions component
    • CVE-2026-74973: Race condition, use-after-free in the Graphics component
    • CVE-2026-74974: Same-origin policy bypass in the Graphics: ImageLib component
    • CVE-2026-74976: JIT miscompilation in the JavaScript Engine: JIT component
    • CVE-2026-74983: Mitigation bypass in the Data Loss Prevention component
    • CVE-2026-74987: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154
    • CVE-2026-74990: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154
Record
SUSE-SU-2026:23304-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
firefox
AlmaLinux:9
From an advisory covering 31 CVEs
 before 140.14.0-1.el9_8.alma.1
140.14.0-1.el9_8.alma.1
firefox-x11
AlmaLinux:9
From an advisory covering 31 CVEs
 before 140.14.0-1.el9_8.alma.1
140.14.0-1.el9_8.alma.1
firefox
AlmaLinux:8
From an advisory covering 31 CVEs
 before 140.14.0-1.el8_10.alma.1
140.14.0-1.el8_10.alma.1
firefox
AlmaLinux:10
From an advisory covering 31 CVEs
 before 140.14.0-1.el10_2
140.14.0-1.el10_2
thunderbird
AlmaLinux:9
From an advisory covering 23 CVEs
 before 140.14.0-1.el9_8.alma.1
140.14.0-1.el9_8.alma.1
thunderbird
AlmaLinux:10
From an advisory covering 21 CVEs
 before 140.14.0-1.el10_2.alma.1
140.14.0-1.el10_2.alma.1
thunderbird
AlmaLinux:8
From an advisory covering 25 CVEs
 before 140.14.0-1.el8_10.alma.1
140.14.0-1.el8_10.alma.1
thunderbird
TuxCare:AlmaLinux:9.2
From an advisory covering 53 CVEs
 before 153.2.0-1.el9_2.alma.1.tuxcare.els1
153.2.0-1.el9_2.alma.1.tuxcare.els1
firefox-esr
Debian:12
 before 140.14.0esr-1~deb12u1, plus listed versions
102.11.0esr-1102.12.0esr-1102.12.0esr-1~deb10u1102.12.0esr-1~deb11u1102.12.0esr-1~deb12u1
Show 45 moreShow less
102.13.0esr-1102.13.0esr-1~deb10u1102.13.0esr-1~deb11u1102.13.0esr-1~deb12u1102.14.0esr-1~deb10u1102.14.0esr-1~deb11u1102.14.0esr-1~deb12u1102.15.0esr-1~deb10u1102.15.0esr-1~deb11u1102.15.0esr-1~deb12u1102.15.1esr-1~deb10u1102.15.1esr-1~deb11u1102.15.1esr-1~deb12u1115.0.2esr-1115.1.0esr-1115.10.0esr-1115.10.0esr-1~deb10u1115.10.0esr-1~deb11u1115.10.0esr-1~deb12u1115.11.0esr-1115.11.0esr-1~deb10u1115.11.0esr-1~deb11u1115.11.0esr-1~deb12u1115.12.0esr-1115.12.0esr-1~deb10u1115.12.0esr-1~deb11u1115.12.0esr-1~deb12u1115.13.0esr-1115.13.0esr-1~deb11u1115.13.0esr-1~deb12u1115.13.0esr-2115.14.0esr-1115.14.0esr-1~deb11u1115.14.0esr-1~deb12u1115.15.0esr-1115.15.0esr-1~deb11u1115.15.0esr-1~deb12u1115.2.0esr-1115.2.1esr-1115.3.0esr-1115.3.0esr-1~deb10u1115.3.0esr-1~deb11u1115.3.0esr-1~deb12u1115.3.1esr-1~deb10u1115.3.1esr-1~deb11u1
140.14.0esr-1~deb12u1
firefox-esr
Debian:13
 before 140.14.0esr-1~deb13u1, plus listed versions
128.13.0esr-1128.14.0esr-1128.14.0esr-1~deb11u1128.14.0esr-1~deb12u1128.14.0esr-1~deb13u1
Show 45 moreShow less
140.10.0esr-1140.10.0esr-1~deb11u1140.10.0esr-1~deb12u1140.10.0esr-1~deb13u1140.10.1esr-1140.10.1esr-1~deb11u1140.10.1esr-1~deb12u1140.10.1esr-1~deb13u1140.10.2esr-1140.10.2esr-1~deb11u1140.10.2esr-1~deb12u1140.10.2esr-1~deb13u1140.11.0esr-1140.11.0esr-1~deb11u1140.11.0esr-1~deb12u1140.11.0esr-1~deb13u1140.12.0esr-1140.12.0esr-1~deb11u1140.12.0esr-1~deb12u1140.12.0esr-1~deb13u1140.13.0esr-1140.13.0esr-1~deb11u1140.13.0esr-1~deb12u1140.13.0esr-1~deb13u1140.13.0esr-2140.14.0esr-1~deb11u1140.14.0esr-1~deb12u1140.3.0esr-1140.3.0esr-1~deb11u1140.3.0esr-1~deb11u2140.3.0esr-1~deb12u1140.3.0esr-1~deb13u1140.3.0esr-2140.3.1esr-1140.3.1esr-1~deb11u1140.3.1esr-1~deb12u1140.3.1esr-1~deb13u1140.3.1esr-2140.4.0esr-1140.4.0esr-1~deb11u1140.4.0esr-1~deb12u1140.4.0esr-1~deb13u1140.5.0esr-1140.5.0esr-1~deb11u1140.5.0esr-1~deb12u1
140.14.0esr-1~deb13u1
Show 219 moreShow less
Affected packages
PackageAffectedFixed
firefox-esr
Debian:14
 before 140.14.0esr-2, plus listed versions
128.13.0esr-1128.14.0esr-1128.14.0esr-1~deb11u1128.14.0esr-1~deb12u1128.14.0esr-1~deb13u1
Show 45 moreShow less
140.10.0esr-1140.10.0esr-1~deb11u1140.10.0esr-1~deb12u1140.10.0esr-1~deb13u1140.10.1esr-1140.10.1esr-1~deb11u1140.10.1esr-1~deb12u1140.10.1esr-1~deb13u1140.10.2esr-1140.10.2esr-1~deb11u1140.10.2esr-1~deb12u1140.10.2esr-1~deb13u1140.11.0esr-1140.11.0esr-1~deb11u1140.11.0esr-1~deb12u1140.11.0esr-1~deb13u1140.12.0esr-1140.12.0esr-1~deb11u1140.12.0esr-1~deb12u1140.12.0esr-1~deb13u1140.13.0esr-1140.13.0esr-1~deb11u1140.13.0esr-1~deb12u1140.13.0esr-1~deb13u1140.13.0esr-2140.14.0esr-1~deb11u1140.14.0esr-1~deb12u1140.14.0esr-1~deb13u1140.3.0esr-1140.3.0esr-1~deb11u1140.3.0esr-1~deb11u2140.3.0esr-1~deb12u1140.3.0esr-1~deb13u1140.3.0esr-2140.3.1esr-1140.3.1esr-1~deb11u1140.3.1esr-1~deb12u1140.3.1esr-1~deb13u1140.3.1esr-2140.4.0esr-1140.4.0esr-1~deb11u1140.4.0esr-1~deb12u1140.4.0esr-1~deb13u1140.5.0esr-1140.5.0esr-1~deb11u1
140.14.0esr-2
thunderbird
Debian:12
 before 1:140.14.0esr-1~deb12u1, plus listed versions
1:102.11.0-11:102.12.0-11:102.12.0-1~deb10u11:102.12.0-1~deb11u11:102.12.0-1~deb12u1
Show 45 moreShow less
1:102.13.0-11:102.13.0-1~deb10u11:102.13.0-1~deb11u11:102.13.0-1~deb12u11:102.13.1-11:102.13.1-1~deb10u11:102.13.1-1~deb11u11:102.13.1-1~deb12u11:102.14.0-1~deb10u11:102.14.0-1~deb11u11:102.14.0-1~deb12u11:102.15.0-1~deb10u11:102.15.0-1~deb11u11:102.15.0-1~deb12u11:102.15.1-1~deb10u11:102.15.1-1~deb11u11:102.15.1-1~deb12u11:103.0~b5-11:104.0~b2-11:110.0~b4-11:112.0~b1-11:113.0~b3-11:114.0~b2-11:115.0-11:115.0.1-11:115.0.1-21:115.0~b4-11:115.0~b6-11:115.1.0-11:115.1.1-11:115.10.1-11:115.10.1-1~deb10u11:115.10.1-1~deb11u11:115.10.1-1~deb12u11:115.11.0-11:115.11.0-1~deb10u11:115.11.0-1~deb11u11:115.11.0-1~deb12u11:115.12.0-11:115.12.0-1~deb10u11:115.12.0-1~deb11u11:115.12.0-1~deb12u11:115.13.0-11:115.13.0-1~deb11u11:115.13.0-1~deb12u1
1:140.14.0esr-1~deb12u1
thunderbird
Debian:13
 before 1:140.14.0esr-1~deb13u1, plus listed versions
1:128.13.0esr-11:128.14.0esr-11:128.14.0esr-1~deb11u11:128.14.0esr-1~deb12u11:128.14.0esr-1~deb13u1
Show 45 moreShow less
1:129.0~b6-11:130.0~b3-11:132.0~b6-11:135.0-11:136.0-11:137.0-11:138.0-11:140.0.1esr-11:140.1.0esr-11:140.1.1esr-11:140.10.0esr-11:140.10.0esr-1~deb11u11:140.10.0esr-1~deb12u11:140.10.0esr-1~deb13u11:140.10.1esr-11:140.10.1esr-1~deb11u11:140.10.1esr-1~deb12u11:140.10.1esr-1~deb13u11:140.10.2esr-11:140.10.2esr-1~deb11u11:140.10.2esr-1~deb12u11:140.10.2esr-1~deb13u11:140.11.0esr-11:140.11.0esr-1~deb11u11:140.11.0esr-1~deb12u11:140.11.0esr-1~deb13u11:140.12.0esr-11:140.12.0esr-1~deb11u11:140.12.0esr-1~deb12u11:140.12.0esr-1~deb13u11:140.13.0esr-11:140.13.0esr-21:140.13.0esr-2~deb11u11:140.13.0esr-2~deb12u11:140.13.0esr-2~deb13u11:140.14.0esr-1~deb11u11:140.14.0esr-1~deb12u11:140.2.0esr-11:140.3.0esr-11:140.3.0esr-1~deb11u11:140.3.0esr-1~deb12u11:140.3.0esr-1~deb13u11:140.3.1esr-11:140.4.0esr-11:140.4.0esr-1~deb11u1
1:140.14.0esr-1~deb13u1
thunderbird
Debian:14
 before 1:140.14.0esr-1, plus listed versions
1:128.13.0esr-11:128.14.0esr-11:128.14.0esr-1~deb11u11:128.14.0esr-1~deb12u11:128.14.0esr-1~deb13u1
Show 45 moreShow less
1:129.0~b6-11:130.0~b3-11:132.0~b6-11:135.0-11:136.0-11:137.0-11:138.0-11:140.0.1esr-11:140.1.0esr-11:140.1.1esr-11:140.10.0esr-11:140.10.0esr-1~deb11u11:140.10.0esr-1~deb12u11:140.10.0esr-1~deb13u11:140.10.1esr-11:140.10.1esr-1~deb11u11:140.10.1esr-1~deb12u11:140.10.1esr-1~deb13u11:140.10.2esr-11:140.10.2esr-1~deb11u11:140.10.2esr-1~deb12u11:140.10.2esr-1~deb13u11:140.11.0esr-11:140.11.0esr-1~deb11u11:140.11.0esr-1~deb12u11:140.11.0esr-1~deb13u11:140.12.0esr-11:140.12.0esr-1~deb11u11:140.12.0esr-1~deb12u11:140.12.0esr-1~deb13u11:140.13.0esr-11:140.13.0esr-21:140.13.0esr-2~deb11u11:140.13.0esr-2~deb12u11:140.13.0esr-2~deb13u11:140.14.0esr-1~deb11u11:140.14.0esr-1~deb12u11:140.14.0esr-1~deb13u11:140.2.0esr-11:140.3.0esr-11:140.3.0esr-1~deb11u11:140.3.0esr-1~deb12u11:140.3.0esr-1~deb13u11:140.3.1esr-11:140.4.0esr-1
1:140.14.0esr-1
nspr
Mageia:10
From an advisory covering 52 CVEs
 before 4.40.0-1.mga10
4.40.0-1.mga10
nss
Mageia:10
From an advisory covering 52 CVEs
 before 3.127.0-1.mga10
3.127.0-1.mga10
firefox
Mageia:10
From an advisory covering 52 CVEs
 before 153.1.0-1.mga10
153.1.0-1.mga10
firefox-l10n
Mageia:10
From an advisory covering 52 CVEs
 before 153.1.0-1.mga10
153.1.0-1.mga10
nspr
Mageia:9
From an advisory covering 52 CVEs
 before 4.40.0-1.mga9
4.40.0-1.mga9
nss
Mageia:9
From an advisory covering 52 CVEs
 before 3.127.0-1.mga9
3.127.0-1.mga9
firefox
Mageia:9
From an advisory covering 52 CVEs
 before 140.14.0-1.mga9
140.14.0-1.mga9
firefox-l10n
Mageia:9
From an advisory covering 52 CVEs
 before 140.14.0-1.mga9
140.14.0-1.mga9
thunderbird
Mageia:10
From an advisory covering 52 CVEs
 before 153.1.0-1.mga10
153.1.0-1.mga10
thunderbird-l10n
Mageia:10
From an advisory covering 52 CVEs
 before 153.1.0-1.mga10
153.1.0-1.mga10
thunderbird
Mageia:9
From an advisory covering 52 CVEs
 before 140.14.0-1.mga9
140.14.0-1.mga9
thunderbird-l10n
Mageia:9
From an advisory covering 52 CVEs
 before 140.14.0-1.mga9
140.14.0-1.mga9
firefox
openEuler:22.03-LTS-SP4
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2203sp4
140.14.0-1.oe2203sp4
firefox
openEuler:24.03-LTS-SP1
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2403sp1
140.14.0-1.oe2403sp1
firefox
openEuler:24.03-LTS-SP3
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2403sp3
140.14.0-1.oe2403sp3
firefox
openEuler:24.03-LTS-SP4
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2403sp4
140.14.0-1.oe2403sp4
thunderbird
openEuler:24.03-LTS-SP3
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2403sp3
140.14.0-1.oe2403sp3
thunderbird
openEuler:24.03-LTS-SP4
From an advisory covering 31 CVEs
 before 140.14.0-1.oe2403sp4
140.14.0-1.oe2403sp4
firefox
Red Hat:enterprise_linux:9::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
firefox-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
firefox-debugsource
Red Hat:enterprise_linux:9::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
firefox-x11
Red Hat:enterprise_linux:9::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
firefox
Red Hat:enterprise_linux:8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
firefox-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
firefox-debugsource
Red Hat:enterprise_linux:8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
firefox
Red Hat:enterprise_linux:10.2
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
firefox-debuginfo
Red Hat:enterprise_linux:10.2
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
firefox-debugsource
Red Hat:enterprise_linux:10.2
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
firefox
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
firefox-debuginfo
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
firefox-debugsource
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
firefox
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox-debuginfo
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox-debugsource
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox-debuginfo
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox-debugsource
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
firefox
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
firefox-debuginfo
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
firefox-debugsource
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
firefox-x11
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
firefox
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
firefox-debuginfo
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
firefox-debugsource
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
firefox-x11
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
firefox
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox-debuginfo
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox-debugsource
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox-debuginfo
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox-debugsource
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
firefox
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
firefox-debuginfo
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
firefox-debugsource
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
firefox
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
firefox-debuginfo
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
firefox-debugsource
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird
Red Hat:enterprise_linux:9::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
thunderbird-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
thunderbird-debugsource
Red Hat:enterprise_linux:9::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
thunderbird
Red Hat:enterprise_linux:10.2
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
thunderbird-debuginfo
Red Hat:enterprise_linux:10.2
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
thunderbird-debugsource
Red Hat:enterprise_linux:10.2
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
thunderbird
Red Hat:enterprise_linux:8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
thunderbird-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
thunderbird-debugsource
Red Hat:enterprise_linux:8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
firefox
Red Hat:rhel_els:7
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el7_9
0:140.14.0-1.el7_9
firefox-debuginfo
Red Hat:rhel_els:7
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el7_9
0:140.14.0-1.el7_9
thunderbird
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
thunderbird-debuginfo
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
thunderbird-debugsource
Red Hat:enterprise_linux_eus:10.0
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_0
0:140.14.0-1.el10_0
thunderbird
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
thunderbird-debuginfo
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
thunderbird-debugsource
Red Hat:rhel_e4s:9.4::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_4
0:140.14.0-1.el9_4
thunderbird
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
thunderbird-debuginfo
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
thunderbird-debugsource
Red Hat:rhel_eus:9.6::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_6
0:140.14.0-1.el9_6
thunderbird
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird-debuginfo
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird-debugsource
Red Hat:rhel_aus:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird-debuginfo
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird-debugsource
Red Hat:rhel_eus_long_life:8.6::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_6
0:140.14.0-1.el8_6
thunderbird
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird-debuginfo
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird-debugsource
Red Hat:rhel_aus:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird-debuginfo
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird-debugsource
Red Hat:rhel_eus_long_life:8.4::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_4
0:140.14.0-1.el8_4
thunderbird
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird-debuginfo
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird-debugsource
Red Hat:rhel_e4s:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird-debuginfo
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird-debugsource
Red Hat:rhel_tus:8.8::appstream
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_8
0:140.14.0-1.el8_8
thunderbird
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
thunderbird-debuginfo
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
thunderbird-debugsource
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
firefox
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
firefox-debuginfo
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
firefox-debugsource
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
firefox-x11
Red Hat:rhel_e4s:9.2::appstream
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_2
0:140.14.0-1.el9_2
firefox
Rocky Linux:9
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
firefox
Rocky Linux:8
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
firefox
Rocky Linux:10
From an advisory covering 31 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
thunderbird
Rocky Linux:9
From an advisory covering 23 CVEs
 before 0:140.14.0-1.el9_8
0:140.14.0-1.el9_8
thunderbird
Rocky Linux:10
From an advisory covering 21 CVEs
 before 0:140.14.0-1.el10_2
0:140.14.0-1.el10_2
thunderbird
Rocky Linux:8
From an advisory covering 25 CVEs
 before 0:140.14.0-1.el8_10
0:140.14.0-1.el8_10
MozillaFirefox
SUSE:Linux Enterprise Server 16.0
From an advisory covering 31 CVEs
 before 140.14.0-160000.1.1
140.14.0-160000.1.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 31 CVEs
 before 140.14.0-160000.1.1
140.14.0-160000.1.1
mozilla-nspr
SUSE:Linux Micro 6.2
From an advisory covering 115 CVEs
 before 4.39-160000.1.1
4.39-160000.1.1
mozilla-nss
SUSE:Linux Micro 6.2
From an advisory covering 115 CVEs
 before 3.125-160000.1.1
3.125-160000.1.1
MozillaFirefox
SUSE:Linux Enterprise Server 16.0
From an advisory covering 115 CVEs
 before 153.1.0-160000.1.1
153.1.0-160000.1.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server 16.0
From an advisory covering 115 CVEs
 before 153-160000.1.1
153-160000.1.1
mozilla-nspr
SUSE:Linux Enterprise Server 16.0
From an advisory covering 115 CVEs
 before 4.39-160000.1.1
4.39-160000.1.1
mozilla-nss
SUSE:Linux Enterprise Server 16.0
From an advisory covering 115 CVEs
 before 3.125-160000.1.1
3.125-160000.1.1
rust-cbindgen
SUSE:Linux Enterprise Server 16.0
From an advisory covering 115 CVEs
 before 0.29.4+git0-160000.1.1
0.29.4+git0-160000.1.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 115 CVEs
 before 153.1.0-160000.1.1
153.1.0-160000.1.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 115 CVEs
 before 153-160000.1.1
153-160000.1.1
mozilla-nspr
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 115 CVEs
 before 4.39-160000.1.1
4.39-160000.1.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 115 CVEs
 before 3.125-160000.1.1
3.125-160000.1.1
rust-cbindgen
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 115 CVEs
 before 0.29.4+git0-160000.1.1
0.29.4+git0-160000.1.1
MozillaFirefox
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 58 CVEs
 before 140.14.0-150200.152.251.1
140.14.0-150200.152.251.1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 58 CVEs
 before 140.14.0-112.327.1
140.14.0-112.327.1
MozillaFirefox
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 58 CVEs
 before 140.14.0-112.327.1
140.14.0-112.327.1
MozillaThunderbird
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 31 CVEs
 before 140.14.0-150200.8.283.1
140.14.0-150200.8.283.1
MozillaThunderbird
SUSE:Linux Enterprise Workstation Extension 15 SP7
From an advisory covering 31 CVEs
 before 140.14.0-150200.8.283.1
140.14.0-150200.8.283.1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-118.5.4
153.2.0-118.5.4
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 139 CVEs
 before 153-41.3.8
153-41.3.8
mozilla-nspr
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 139 CVEs
 before 4.39-19.39.1
4.39-19.39.1
mozilla-nss
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 139 CVEs
 before 3.125-58.147.1
3.125-58.147.1
MozillaFirefox
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 139 CVEs
 before 153.2.0-118.5.4
153.2.0-118.5.4
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 139 CVEs
 before 153-41.3.8
153-41.3.8
mozilla-nspr
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 139 CVEs
 before 4.39-19.39.1
4.39-19.39.1
mozilla-nss
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 139 CVEs
 before 3.125-58.147.1
3.125-58.147.1
mozilla-nspr
SUSE:Linux Enterprise Micro 5.3
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Micro 5.3
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
mozilla-nspr
SUSE:Linux Enterprise Micro 5.4
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Micro 5.4
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
mozilla-nspr
SUSE:Linux Enterprise Micro 5.5
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Micro 5.5
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
mozilla-nspr
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 139 CVEs
 before 153.2.0-150400.157.5.1
153.2.0-150400.157.5.1
MozillaFirefox-branding-SLE
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 139 CVEs
 before 153-150400.14.3.1
153-150400.14.3.1
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 139 CVEs
 before 4.39-150400.12.3.1
4.39-150400.12.3.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 139 CVEs
 before 3.125-150400.3.74.1
3.125-150400.3.74.1
MozillaThunderbird
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 143 CVEs
 before 153.2.0-150400.13.3.1
153.2.0-150400.13.3.1
MozillaThunderbird
SUSE:Linux Enterprise Workstation Extension 15 SP7
From an advisory covering 143 CVEs
 before 153.2.0-150400.13.3.1
153.2.0-150400.13.3.1
mozjs52
Ubuntu:18.04:LTS
 All versions, plus listed versions
52.3.1-0ubuntu352.3.1-7fakesync152.8.1-0ubuntu0.18.04.152.9.1-0ubuntu0.18.04.1
 None known
mozjs38
Ubuntu:18.04:LTS
 All versions, plus listed versions
38.8.0~repack1-0ubuntu138.8.0~repack1-0ubuntu338.8.0~repack1-0ubuntu4
 None known
mozjs68
Ubuntu:20.04:LTS
 All versions, plus listed versions
68.5.0-1~fakesync68.5.0-2~fakesync68.6.0-168.6.0-1ubuntu1
 None known
mozjs52
Ubuntu:20.04:LTS
 All versions, plus listed versions
52.9.1-1build152.9.1-1ubuntu3
 None known
mozjs102
Ubuntu:22.04:LTS
 All versions, plus listed versions
102.11.0-0ubuntu0.22.04.1102.12.0-0ubuntu0.22.04.1102.13.0-0ubuntu0.22.04.1102.15.1-0ubuntu0.22.04.1
 None known
mozjs78
Ubuntu:22.04:LTS
 All versions, plus listed versions
78.13.0-178.15.0-278.15.0-4ubuntu1
 None known
mozjs91
Ubuntu:22.04:LTS
 All versions, plus listed versions
91.5.1-0ubuntu191.6.0-191.6.0-291.7.0-291.10.0-0ubuntu1
 None known
thunderbird
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:91.1.2+build1-0ubuntu11:91.3.0+build2-0ubuntu11:91.3.1+build1-0ubuntu11:91.3.2+build1-0ubuntu11:91.4.0+build1.1-0ubuntu1
Show 34 moreShow less
1:91.4.0+build2-0ubuntu11:91.5.0+build1-0ubuntu11:91.5.1+build1-0ubuntu11:91.6.1+build1-0ubuntu11:91.7.0+build1-0ubuntu11:91.7.0+build2-0ubuntu11:91.8.0+build2-0ubuntu11:91.9.1+build1-0ubuntu0.22.04.11:91.11.0+build2-0ubuntu0.22.04.11:102.2.2+build1-0ubuntu0.22.04.11:102.4.2+build2-0ubuntu0.22.04.11:102.7.1+build2-0ubuntu0.22.04.11:102.8.0+build2-0ubuntu0.22.04.11:102.9.0+build1-0ubuntu0.22.04.11:102.10.0+build2-0ubuntu0.22.04.11:102.11.0+build1-0ubuntu0.22.04.11:102.13.0+build1-0ubuntu0.22.04.11:102.15.0+build1-0ubuntu0.22.04.11:102.15.1+build1-0ubuntu0.22.04.11:115.3.1+build1-0ubuntu0.22.04.21:115.4.1+build1-0ubuntu0.22.04.11:115.5.0+build1-0ubuntu0.22.04.11:115.6.0+build2-0ubuntu0.22.04.11:115.8.1+build1-0ubuntu0.22.04.11:115.9.0+build1-0ubuntu0.22.04.11:115.10.1+build1-0ubuntu0.22.04.11:115.11.0+build2-0ubuntu0.22.04.11:115.12.0+build3-0ubuntu0.22.04.11:115.13.0+build5-0ubuntu0.22.04.11:115.15.0+build1-0ubuntu0.22.04.11:115.16.0+build2-0ubuntu0.22.04.11:115.18.0+build1-0ubuntu0.22.04.11:128.12.0+build1-0ubuntu0.22.04.11:140.7.1+build1-0ubuntu0.22.04.1
 None known
mozjs102
Ubuntu:24.04:LTS
 All versions, plus listed versions
102.15.1-1102.15.1-3ubuntu2
 None known
mozjs115
Ubuntu:24.04:LTS
 All versions, plus listed versions
115.3.0-0ubuntu1115.4.0-2115.5.0-1115.6.0-1115.7.0-4
Show 4 moreShow less
115.8.0-1115.9.0-1115.9.0-1build1115.10.0-1
 None known
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 52 CVEs
 before 153.1.0-1.1
153.1.0-1.1
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 31 CVEs
 before 140.14.0-1.1
140.14.0-1.1
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 58 CVEs
 before 154.0-1.1
154.0-1.1
MozillaFirefox
openSUSE:Leap 16.0
From an advisory covering 31 CVEs
 before 140.14.0-160000.1.1
140.14.0-160000.1.1
MozillaFirefox
openSUSE:Leap 16.0
From an advisory covering 115 CVEs
 before 153.1.0-160000.1.2
153.1.0-160000.1.2
mozilla-nspr
openSUSE:Leap 16.0
From an advisory covering 115 CVEs
 before 4.39-160000.1.1
4.39-160000.1.1
mozilla-nss
openSUSE:Leap 16.0
From an advisory covering 115 CVEs
 before 3.125-160000.1.1
3.125-160000.1.1
rust-cbindgen
openSUSE:Leap 16.0
From an advisory covering 115 CVEs
 before 0.29.4+git0-160000.1.1
0.29.4+git0-160000.1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-74960 is a high vulnerability (CVSS 8.1) in Mozilla Firefox, published August 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in firefox-esr 140.14.0esr-1~deb12u1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 423 versions, 261 references and the rest of 8 source descriptions. The JSON record has them. Left out on purpose, here and in the API, to keep responses small: 8 source records.

Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open