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CVE-2026-2757

Incorrect boundary conditions in the WebRTC: Audio/Video component

9.8 CriticalFix available

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.59%Up 0.6 points since Feb 25, 2026
90%50%10%1%

What each source reports

NVD Score used 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Record
CVE-2026-2757
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness
CWE-1384
Updated
2026-11-02
CVE List 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Record
CVE-2026-2757
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness
CWE-1384
Updated
2026-11-02
EUVDEUVD-2026-8478 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Record
EUVD-2026-8478
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
GitHub AdvisoriesGHSA-r2q9-885m-j92q 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects...

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.

Record
GHSA-r2q9-885m-j92q
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-1384
Updated
2026-11-02
OSV 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Record
CVE-2026-2757
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
OSVDEBIAN-CVE-2026-2757 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Record
DEBIAN-CVE-2026-2757
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 45 moreShow less
OSVOESA-2026-1471 8.8

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):

Heap buffer overflow vulnerability exists in libvpx component. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, and Firefox ESR < 115.32.1.(CVE-2026-2447)

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

A use-after-free vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox, Firefox ESR, and Thunderbird. This vulnerability occurs when the program continues to reference a memory area after it has been freed, which can lead to program crashes, the use of unexpected values, or the execution of arbitrary code. This vulnerability poses a threat to confidentiality, integrity, and availability.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability…

Record
OESA-2026-1471
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1472 8.8

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):

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

A use-after-free vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox, Firefox ESR, and Thunderbird. This vulnerability occurs when the program continues to reference a memory area after it has been freed, which can lead to program crashes, the use of unexpected values, or the execution of arbitrary code. This vulnerability poses a threat to confidentiality, integrity, and availability.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)

Use-after-free in the Audio/Video: Playback…

Record
OESA-2026-1472
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1473 8.8

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):

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

A use-after-free vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox, Firefox ESR, and Thunderbird. This vulnerability occurs when the program continues to reference a memory area after it has been freed, which can lead to program crashes, the use of unexpected values, or the execution of arbitrary code. This vulnerability poses a threat to confidentiality, integrity, and availability.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)

Use-after-free in the Audio/Video: Playback…

Record
OESA-2026-1473
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1474 8.8

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):

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

A use-after-free vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox, Firefox ESR, and Thunderbird. This vulnerability occurs when the program continues to reference a memory area after it has been freed, which can lead to program crashes, the use of unexpected values, or the execution of arbitrary code. This vulnerability poses a threat to confidentiality, integrity, and availability.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)

Use-after-free in the Audio/Video: Playback…

Record
OESA-2026-1474
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1475 8.8

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):

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

A use-after-free vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox, Firefox ESR, and Thunderbird. This vulnerability occurs when the program continues to reference a memory area after it has been freed, which can lead to program crashes, the use of unexpected values, or the execution of arbitrary code. This vulnerability poses a threat to confidentiality, integrity, and availability.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)

Use-after-free in the Audio/Video: Playback…

Record
OESA-2026-1475
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1539 10.0

thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If the user had additionally allowed loading of the remote content referenced by the outer email message, and the email was crafted by the sender using a combination of CSS rules and fonts and animations, then it was possible to extract the secret contents of the email. This vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1.(CVE-2026-0818)

Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.(CVE-2026-2447)

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects…

Record
OESA-2026-1539
CVSS 3.1
10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-1540 10.0

thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)

Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)

Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2769)

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)

Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)

Use-after-free in the Audio/Video: Playback component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2772)

Incorrect boundary conditions in the Web Audio component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2773)

Integer overflow in the Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2774)

Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox < 148,…

Record
OESA-2026-1540
CVSS 3.1
10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:3338 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3338
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-2026:3339 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3339
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-2026:3361 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3361
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-2026:3491 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3491
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-2026:3492 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3492
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-2026:3493 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3493
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-2026:3494 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3494
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-2026:3495 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3495
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-2026:3496 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3496
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-2026:3497 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3497
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-2026:3515 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3515
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-2026:3516 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3516
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-2026:3517 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3517
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-2026:3976 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3976
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-2026:3978 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3978
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-2026:3979 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3979
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-2026:3980 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3980
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-2026:3981 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3981
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-2026:3982 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3982
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-2026:3983 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:3983
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-2026:3984 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:3984
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-2026:4022 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:4022
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-2026:4152 7.5

Red Hat Security Advisory: firefox security update

Record
RHSA-2026:4152
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-2026:4260 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:4260
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-2026:4432 7.5

Red Hat Security Advisory: thunderbird security update

Record
RHSA-2026:4432
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-2026:3338 7.5

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3338
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-2026:3339 7.5

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3339
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-2026:3361 7.5

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3361
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-2026:3515 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3515
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-2026:3516 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3516
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-2026:3517 7.5

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)

  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)

  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)

  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)

  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)

  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)

  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)

  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)

  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)

  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)

  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)

  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)

  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)

  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)

  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)

  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)

  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)

  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)

  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)

  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)

  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)

  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)

  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)

  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)

  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)

  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)

  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3517
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-2026-2757 9.8

Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Record
UBUNTU-CVE-2026-2757
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVALSA-2026:3338 No score

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3338
Updated
2026-11-02
OSVALSA-2026:3339 No score

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3339
Updated
2026-11-02
OSVALSA-2026:3361 No score

Important: firefox security update

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

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3361
Updated
2026-11-02
OSVALSA-2026:3515 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3515
Updated
2026-11-02
OSVALSA-2026:3516 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3516
Updated
2026-11-02
OSVALSA-2026:3517 No score

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
  • firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
  • firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
  • firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
  • firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
  • firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
  • firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
  • firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
  • firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
  • firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
  • firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
  • firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
  • firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
  • firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
  • firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
  • firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
  • firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2763)
  • firefox: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2792)
  • firefox: Incorrect boundary conditions in the Web Audio component (CVE-2026-2773)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2786)
  • firefox: Use-after-free in the Graphics: ImageLib component (CVE-2026-2789)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Audio/Video component (CVE-2026-2757)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-2760)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-2772)
  • firefox: Incorrect boundary conditions in the Networking: JAR component (CVE-2026-2779)
  • firefox: Use-after-free in the JavaScript: WebAssembly component (CVE-2026-2767)
  • firefox: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component (CVE-2026-2764)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2782)
  • firefox: Use-after-free in the JavaScript Engine component (CVE-2026-2765)
  • firefox: Privilege escalation in the Netmonitor component (CVE-2026-2780)
  • firefox: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component (CVE-2026-2778)
  • firefox: Use-after-free in the JavaScript: GC component (CVE-2026-2758)
  • firefox: Mitigation bypass in the Networking: Cache component (CVE-2026-2791)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-2770)

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-2026:3517
Updated
2026-11-02

Affected products

Show 9 moreShow less

Affected packages

Affected packages
PackageAffectedFixed
firefox
AlmaLinux:8
 before 140.8.0-2.el8_10.alma.1
140.8.0-2.el8_10.alma.1
firefox
AlmaLinux:9
 before 140.8.0-2.el9_7.alma.1
140.8.0-2.el9_7.alma.1
firefox-x11
AlmaLinux:9
 before 140.8.0-2.el9_7.alma.1
140.8.0-2.el9_7.alma.1
firefox
AlmaLinux:10
 before 140.8.0-2.el10_1
140.8.0-2.el10_1
thunderbird
AlmaLinux:8
 before 140.8.0-1.el8_10.alma.1
140.8.0-1.el8_10.alma.1
thunderbird
AlmaLinux:9
 before 140.8.0-1.el9_7.alma.1
140.8.0-1.el9_7.alma.1
thunderbird
AlmaLinux:10
 before 140.8.0-2.el10_1.alma.1
140.8.0-2.el10_1.alma.1
firefox-esr
Debian:12
 before 140.8.0esr-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
140.8.0esr-1~deb12u1
firefox-esr
Debian:13
 before 140.8.0esr-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 29 moreShow less
140.3.0esr-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~deb12u1140.5.0esr-1~deb13u1140.6.0esr-1140.6.0esr-1~deb11u1140.6.0esr-1~deb12u1140.6.0esr-1~deb13u1140.7.0esr-1140.7.0esr-1~deb11u1140.7.0esr-1~deb12u1140.7.0esr-1~deb13u1140.8.0esr-1~deb11u1140.8.0esr-1~deb12u1
140.8.0esr-1~deb13u1
firefox-esr
Debian:14
 before 140.8.0esr-1, plus listed versions
128.13.0esr-1128.14.0esr-1128.14.0esr-1~deb11u1128.14.0esr-1~deb12u1128.14.0esr-1~deb13u1
Show 30 moreShow less
140.3.0esr-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~deb12u1140.5.0esr-1~deb13u1140.6.0esr-1140.6.0esr-1~deb11u1140.6.0esr-1~deb12u1140.6.0esr-1~deb13u1140.7.0esr-1140.7.0esr-1~deb11u1140.7.0esr-1~deb12u1140.7.0esr-1~deb13u1140.8.0esr-1~deb11u1140.8.0esr-1~deb12u1140.8.0esr-1~deb13u1
140.8.0esr-1
Show 158 moreShow less
Affected packages
PackageAffectedFixed
thunderbird
Debian:12
 before 1:140.8.0esr-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
1:140.8.0esr-1~deb12u1
thunderbird
Debian:13
 before 1:140.8.0esr-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 38 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-11:140.2.0esr-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~deb11u11:140.4.0esr-1~deb12u11:140.4.0esr-1~deb13u11:140.5.0esr-11:140.5.0esr-1~deb11u11:140.5.0esr-1~deb12u11:140.5.0esr-1~deb13u11:140.6.0esr-11:140.6.0esr-1~deb11u11:140.6.0esr-1~deb12u11:140.6.0esr-1~deb13u11:140.7.0esr-11:140.7.0esr-1~deb11u11:140.7.0esr-1~deb12u11:140.7.0esr-1~deb13u11:140.7.1esr-11:140.7.1esr-1~deb11u11:140.7.1esr-1~deb12u11:140.7.1esr-1~deb13u11:140.8.0esr-1~deb11u11:140.8.0esr-1~deb12u1
1:140.8.0esr-1~deb13u1
thunderbird
Debian:14
 before 1:140.8.0esr-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 39 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-11:140.2.0esr-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~deb11u11:140.4.0esr-1~deb12u11:140.4.0esr-1~deb13u11:140.5.0esr-11:140.5.0esr-1~deb11u11:140.5.0esr-1~deb12u11:140.5.0esr-1~deb13u11:140.6.0esr-11:140.6.0esr-1~deb11u11:140.6.0esr-1~deb12u11:140.6.0esr-1~deb13u11:140.7.0esr-11:140.7.0esr-1~deb11u11:140.7.0esr-1~deb12u11:140.7.0esr-1~deb13u11:140.7.1esr-11:140.7.1esr-1~deb11u11:140.7.1esr-1~deb12u11:140.7.1esr-1~deb13u11:140.8.0esr-1~deb11u11:140.8.0esr-1~deb12u11:140.8.0esr-1~deb13u1
1:140.8.0esr-1
thunderbird
Debian:11
 before 1:140.8.0esr-1~deb11u1, plus listed versions
1:102.0.1-11:102.0.2-11:102.0~b4-11:102.0~b7-11:102.1.0-1
Show 45 moreShow less
1:102.1.1-11:102.1.2-11:102.10.0-11:102.10.0-1~deb10u11:102.10.0-1~deb11u11:102.11.0-11:102.11.0-1~deb10u11:102.11.0-1~deb11u11:102.12.0-11:102.12.0-1~deb10u11:102.12.0-1~deb11u11:102.12.0-1~deb12u11:102.13.0-11:102.13.0-1~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~deb12u11:102.2.0-11:102.2.1-11:102.2.2-11:102.3.0-11:102.3.0-1~deb10u11:102.3.0-1~deb11u11:102.3.1-11:102.3.2-11:102.3.3-11:102.4.0-11:102.4.0-1~deb10u11:102.4.0-1~deb11u11:102.4.1-11:102.5.0-11:102.5.0-1~deb10u11:102.5.0-1~deb11u1
1:140.8.0esr-1~deb11u1
firefox-esr
Debian:11
 before 140.8.0esr-1~deb11u1, plus listed versions
102.1.0esr-1102.1.0esr-2102.10.0esr-1102.10.0esr-1~deb10u1102.10.0esr-1~deb11u1
Show 45 moreShow less
102.11.0esr-1102.11.0esr-1~deb10u1102.11.0esr-1~deb11u1102.12.0esr-1102.12.0esr-1~deb10u1102.12.0esr-1~deb11u1102.12.0esr-1~deb12u1102.13.0esr-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~deb12u1102.2.0esr-1102.3.0esr-1102.3.0esr-1~deb10u1102.3.0esr-1~deb10u2102.3.0esr-1~deb11u1102.4.0esr-1102.4.0esr-1~deb10u1102.4.0esr-1~deb11u1102.5.0esr-1102.5.0esr-1~deb10u1102.5.0esr-1~deb11u1102.6.0esr-1102.6.0esr-1~deb10u1102.6.0esr-1~deb11u1102.7.0esr-1102.7.0esr-1~deb10u1102.7.0esr-1~deb11u1102.8.0esr-1102.8.0esr-1~deb10u1102.8.0esr-1~deb11u1102.9.0esr-1102.9.0esr-1~deb10u1102.9.0esr-1~deb11u1102.9.0esr-2115.0.2esr-1
140.8.0esr-1~deb11u1
rootcerts
Mageia:9
 before 20260206.00-1.mga9
20260206.00-1.mga9
nss
Mageia:9
 before 3.121.0-1.mga9
3.121.0-1.mga9
firefox
Mageia:9
 before 140.8.0-1.mga9
140.8.0-1.mga9
firefox-l10n
Mageia:9
 before 140.8.0-1.mga9
140.8.0-1.mga9
thunderbird
Mageia:9
 before 140.8.0-1.mga9
140.8.0-1.mga9
thunderbird-l10n
Mageia:9
 before 140.8.0-1.mga9
140.8.0-1.mga9
firefox
openEuler:22.03-LTS-SP4
 before 140.8.0-1.oe2203sp4
140.8.0-1.oe2203sp4
firefox
openEuler:24.03-LTS
 before 140.8.0-1.oe2403
140.8.0-1.oe2403
firefox
openEuler:24.03-LTS-SP1
 before 140.8.0-1.oe2403sp1
140.8.0-1.oe2403sp1
firefox
openEuler:24.03-LTS-SP2
 before 140.8.0-1.oe2403sp2
140.8.0-1.oe2403sp2
firefox
openEuler:24.03-LTS-SP3
 before 140.8.0-1.oe2403sp3
140.8.0-1.oe2403sp3
thunderbird
openEuler:24.03-LTS-SP2
 before 140.8.0-1.oe2403sp2
140.8.0-1.oe2403sp2
thunderbird
openEuler:24.03-LTS-SP3
 before 140.8.0-1.oe2403sp3
140.8.0-1.oe2403sp3
firefox
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-2.el8_10
0:140.8.0-2.el8_10
firefox-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-2.el8_10
0:140.8.0-2.el8_10
firefox-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-2.el8_10
0:140.8.0-2.el8_10
firefox
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-2.el9_7
0:140.8.0-2.el9_7
firefox-debuginfo
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-2.el9_7
0:140.8.0-2.el9_7
firefox-debugsource
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-2.el9_7
0:140.8.0-2.el9_7
firefox-x11
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-2.el9_7
0:140.8.0-2.el9_7
firefox
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
firefox-debuginfo
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
firefox-debugsource
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
firefox
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox-debuginfo
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox-debugsource
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox-debuginfo
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox-debugsource
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
firefox
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-2.el8_2
0:140.8.0-2.el8_2
firefox-debuginfo
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-2.el8_2
0:140.8.0-2.el8_2
firefox-debugsource
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-2.el8_2
0:140.8.0-2.el8_2
firefox
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-2.el9_0
0:140.8.0-2.el9_0
firefox-debuginfo
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-2.el9_0
0:140.8.0-2.el9_0
firefox-debugsource
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-2.el9_0
0:140.8.0-2.el9_0
firefox
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox-debuginfo
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox-debugsource
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox-debuginfo
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox-debugsource
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-2.el8_8
0:140.8.0-2.el8_8
firefox
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debuginfo
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debugsource
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debuginfo
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debugsource
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debuginfo
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox-debugsource
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-2.el8_6
0:140.8.0-2.el8_6
firefox
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-2.el9_4
0:140.8.0-2.el9_4
firefox-debuginfo
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-2.el9_4
0:140.8.0-2.el9_4
firefox-debugsource
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-2.el9_4
0:140.8.0-2.el9_4
firefox-x11
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-2.el9_4
0:140.8.0-2.el9_4
firefox
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-2.el9_6
0:140.8.0-2.el9_6
firefox-debuginfo
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-2.el9_6
0:140.8.0-2.el9_6
firefox-debugsource
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-2.el9_6
0:140.8.0-2.el9_6
firefox-x11
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-2.el9_6
0:140.8.0-2.el9_6
thunderbird
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-1.el8_10
0:140.8.0-1.el8_10
thunderbird-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-1.el8_10
0:140.8.0-1.el8_10
thunderbird-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:140.8.0-1.el8_10
0:140.8.0-1.el8_10
thunderbird
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-1.el9_7
0:140.8.0-1.el9_7
thunderbird-debuginfo
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-1.el9_7
0:140.8.0-1.el9_7
thunderbird-debugsource
Red Hat:enterprise_linux:9::appstream
 before 0:140.8.0-1.el9_7
0:140.8.0-1.el9_7
thunderbird
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
thunderbird-debuginfo
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
thunderbird-debugsource
Red Hat:enterprise_linux:10.1
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
firefox
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
firefox-debuginfo
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
firefox-debugsource
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
thunderbird
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-1.el9_2
0:140.8.0-1.el9_2
thunderbird-debuginfo
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-1.el9_2
0:140.8.0-1.el9_2
thunderbird-debugsource
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-1.el9_2
0:140.8.0-1.el9_2
thunderbird
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debuginfo
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debugsource
Red Hat:rhel_aus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debuginfo
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debugsource
Red Hat:rhel_e4s:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debuginfo
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird-debugsource
Red Hat:rhel_tus:8.6::appstream
 before 0:140.8.0-1.el8_6
0:140.8.0-1.el8_6
thunderbird
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird-debuginfo
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird-debugsource
Red Hat:rhel_aus:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird-debuginfo
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird-debugsource
Red Hat:rhel_eus_long_life:8.4::appstream
 before 0:140.8.0-2.el8_4
0:140.8.0-2.el8_4
thunderbird
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-1.el9_4
0:140.8.0-1.el9_4
thunderbird-debuginfo
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-1.el9_4
0:140.8.0-1.el9_4
thunderbird-debugsource
Red Hat:rhel_eus:9.4::appstream
 before 0:140.8.0-1.el9_4
0:140.8.0-1.el9_4
thunderbird
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-1.el9_6
0:140.8.0-1.el9_6
thunderbird-debuginfo
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-1.el9_6
0:140.8.0-1.el9_6
thunderbird-debugsource
Red Hat:rhel_eus:9.6::appstream
 before 0:140.8.0-1.el9_6
0:140.8.0-1.el9_6
thunderbird
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-1.el9_0
0:140.8.0-1.el9_0
thunderbird-debuginfo
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-1.el9_0
0:140.8.0-1.el9_0
thunderbird-debugsource
Red Hat:rhel_e4s:9.0::appstream
 before 0:140.8.0-1.el9_0
0:140.8.0-1.el9_0
firefox
Red Hat:rhel_els:7
 before 0:140.8.0-2.el7_9
0:140.8.0-2.el7_9
firefox-debuginfo
Red Hat:rhel_els:7
 before 0:140.8.0-2.el7_9
0:140.8.0-2.el7_9
thunderbird
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
thunderbird-debuginfo
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
thunderbird-debugsource
Red Hat:rhel_e4s:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
thunderbird
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
thunderbird-debuginfo
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
thunderbird-debugsource
Red Hat:rhel_tus:8.8::appstream
 before 0:140.8.0-1.el8_8
0:140.8.0-1.el8_8
firefox
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-2.el9_2
0:140.8.0-2.el9_2
firefox-debuginfo
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-2.el9_2
0:140.8.0-2.el9_2
firefox-debugsource
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-2.el9_2
0:140.8.0-2.el9_2
firefox-x11
Red Hat:rhel_e4s:9.2::appstream
 before 0:140.8.0-2.el9_2
0:140.8.0-2.el9_2
thunderbird
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
thunderbird-debuginfo
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
thunderbird-debugsource
Red Hat:enterprise_linux_eus:10.0
 before 0:140.8.0-2.el10_0
0:140.8.0-2.el10_0
thunderbird
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-1.el8_2
0:140.8.0-1.el8_2
thunderbird-debuginfo
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-1.el8_2
0:140.8.0-1.el8_2
thunderbird-debugsource
Red Hat:rhel_aus:8.2::appstream
 before 0:140.8.0-1.el8_2
0:140.8.0-1.el8_2
firefox
Rocky Linux:8
 before 0:140.8.0-2.el8_10
0:140.8.0-2.el8_10
firefox
Rocky Linux:9
 before 0:140.8.0-2.el9_7
0:140.8.0-2.el9_7
firefox
Rocky Linux:10
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
thunderbird
Rocky Linux:8
 before 0:140.8.0-1.el8_10
0:140.8.0-1.el8_10
thunderbird
Rocky Linux:9
 before 0:140.8.0-1.el9_7
0:140.8.0-1.el9_7
thunderbird
Rocky Linux:10
 before 0:140.8.0-2.el10_1
0:140.8.0-2.el10_1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5-LTSS
 before 140.8.0-112.301.1
140.8.0-112.301.1
MozillaFirefox
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
 before 140.8.0-112.301.1
140.8.0-112.301.1
MozillaFirefox
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP4-LTSS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP5-LTSS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP6-LTSS
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaFirefox
openSUSE:Leap 15.6
 before 140.8.0-150200.152.222.1
140.8.0-150200.152.222.1
MozillaThunderbird
SUSE:Linux Enterprise Module for Package Hub 15 SP7
 before 140.8.0-150200.8.260.1
140.8.0-150200.8.260.1
MozillaThunderbird
SUSE:Linux Enterprise Workstation Extension 15 SP7
 before 140.8.0-150200.8.260.1
140.8.0-150200.8.260.1
MozillaThunderbird
openSUSE:Leap 15.6
 before 140.8.0-150200.8.260.1
140.8.0-150200.8.260.1
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
 before 140.8.0-1.1
140.8.0-1.1
MozillaThunderbird
openSUSE:Tumbleweed
 before 140.8.0-1.1
140.8.0-1.1
MozillaFirefox
openSUSE:Tumbleweed
 before 148.0-1.1
148.0-1.1
MozillaFirefox
openSUSE:Leap 16.0
 before 140.8.0-160000.1.1
140.8.0-160000.1.1
MozillaThunderbird
openSUSE:Leap 16.0
 before 140.8.1-bp160.1.1
140.8.1-bp160.1.1

History

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

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

In short

CVE-2026-2757 is a critical vulnerability (CVSS 9.8) in Mozilla Firefox, published February 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in firefox 140.8.0-2.el8_10.alma.1.

References

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This page doesn't list everything

Left out here: 698 versions, 158 references and the rest of 7 source descriptions. The JSON record has them. Left out on purpose, here and in the API, to keep responses small: 11 source records.

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