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CVE-2026-109704

Privilege escalation in the Application Update component

8.8 High

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.41%Up 0.2 points since Oct 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.8

Privilege escalation in the Application Update component

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Record
CVE-2026-109704
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02
EUVDEUVD-2026-98482 8.8

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Record
EUVD-2026-98482
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-2rfh-6j5m-8mfw 8.8

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox...

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

Record
GHSA-2rfh-6j5m-8mfw
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02
NVD 8.8

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Record
CVE-2026-109704
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02
OSVOESA-2026-4451 10.0

firefox security update

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

Security Fix(es):

Sandbox escape in the Security: Process Sandboxing component of Mozilla Firefox. An attacker could exploit this vulnerability to break out of the browser's process sandbox restrictions. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100760)

A use-after-free vulnerability exists in the JavaScript: WebAssembly component of Mozilla Firefox. An attacker could exploit this vulnerability to cause memory corruption, potentially leading to a browser crash or arbitrary code execution. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100765)

Sandbox escape in the XUL component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100787)

Cryptography misuse in Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100798)

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100800)

Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100806)

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100808)

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100809)

Denial-of-service in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100812)

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100814)

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100815)

Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100816)

Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100822)

An improper privilege management vulnerability exists in the Places component of Mozilla Firefox. A remote attacker could escalate privileges by interacting with the affected component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100824)

Use-after-free in the JavaScript Engine: JIT component of Mozilla Firefox. An attacker could exploit this vulnerability to cause memory corruption, leading to denial of service or potentially arbitrary code execution. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100825)

The vulnerability allows a remote attacker to cause a denial of service. The vulnerability exists due to an unspecified flaw in the Storage: StorageManager component when the component is used. A remote attacker can interact with the affected component to cause a denial of service. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100826)

Mitigation bypass in the Bookmarks & History component of Mozilla Firefox. The vulnerability exists due to improper security control enforcement in the Bookmarks & History component when the component is used, allowing a remote attacker to interact with the affected component to bypass a security mitigation. This vulnerability was fixed in Firefox ESR 153.4 and Firefox…

Record
OESA-2026-4451
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-2026-4452 10.0

firefox security update

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

Security Fix(es):

Sandbox escape in the Security: Process Sandboxing component of Mozilla Firefox. An attacker could exploit this vulnerability to break out of the browser's process sandbox restrictions. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100760)

A use-after-free vulnerability exists in the JavaScript: WebAssembly component of Mozilla Firefox. An attacker could exploit this vulnerability to cause memory corruption, potentially leading to a browser crash or arbitrary code execution. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100765)

Sandbox escape in the XUL component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100787)

Cryptography misuse in Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100798)

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100800)

Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100806)

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100808)

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100809)

Denial-of-service in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100812)

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100814)

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100815)

Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.(CVE-2026-100816)

Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100822)

An improper privilege management vulnerability exists in the Places component of Mozilla Firefox. A remote attacker could escalate privileges by interacting with the affected component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100824)

Use-after-free in the JavaScript Engine: JIT component of Mozilla Firefox. An attacker could exploit this vulnerability to cause memory corruption, leading to denial of service or potentially arbitrary code execution. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100825)

The vulnerability allows a remote attacker to cause a denial of service. The vulnerability exists due to an unspecified flaw in the Storage: StorageManager component when the component is used. A remote attacker can interact with the affected component to cause a denial of service. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.(CVE-2026-100826)

Mitigation bypass in the Bookmarks & History component of Mozilla Firefox. The vulnerability exists due to improper security control enforcement in the Bookmarks & History component when the component is used, allowing a remote attacker to interact with the affected component to bypass a security mitigation. This vulnerability was fixed in Firefox ESR 153.4 and Firefox…

Record
OESA-2026-4452
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
Show 20 moreShow less
OSVRLSA-2026:89756 7.5

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)

  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

  • firefox: Use-after-free in the XML component (CVE-2026-109718)

  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)

  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)

  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)

  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

  • firefox: Other issue in the DOM: File component (CVE-2026-109744)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)

  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)

  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

  • firefox: Use-after-free in the SVG component (CVE-2026-109726)

  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)

  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)

  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

  • firefox: Information disclosure in the Networking component (CVE-2026-109751)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)

  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)

  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)

  • firefox: Frame poisoning in the Layout component (CVE-2026-109736)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)

  • firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)

  • firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)

  • firefox: Privilege escalation in the Panning and Zooming component (CVE-2026-109743)

Bug Fix(es) and Enhancement(s):

  • Firefox ESR 153 rebase [rhel-8.10.z] (JIRA:Rocky Linux-175143)

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…

Record
RLSA-2026:89756
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-2026:89757 7.5

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)

  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

  • firefox: Use-after-free in the XML component (CVE-2026-109718)

  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)

  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)

  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)

  • firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)

  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

  • firefox: Other issue in the DOM: File component (CVE-2026-109744)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)

  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

  • firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)

  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

  • firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)

  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

  • firefox: Use-after-free in the SVG component (CVE-2026-109726)

  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)

  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)

  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

  • firefox: Site isolation issue in the Networking component (CVE-2026-109759)

  • firefox: Incorrect boundary conditions in the SVG component (CVE-2026-109762)

  • firefox: Incorrect boundary conditions in the DOM: Editor component (CVE-2026-109754)

  • firefox: Information disclosure in the Networking component (CVE-2026-109751)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)

  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)

  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)

  • firefox: Frame poisoning in the Layout component (CVE-2026-109736)

  • firefox: JIT miscompilation in the JavaScript…

Record
RLSA-2026:89757
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-2026:89758 8.2

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)

  • expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)

  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

  • firefox: Use-after-free in the XML component (CVE-2026-109718)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)

  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

  • firefox: Use-after-free in the SVG component (CVE-2026-109726)

  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)

  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)

  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)

  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)

  • firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)

  • firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)

Bug Fix(es) and Enhancement(s):

  • Firefox ESR 153 rebase [rhel-10.2.z] (JIRA:Rocky Linux-175166)

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-2026:89758
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Updated
2026-11-02
OSVRLSA-2026:93443 7.5

Important: thunderbird security, bug fix, and enhancement update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)

  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109764)

  • firefox: Spoofing issue in the DOM: Web Serial component (CVE-2026-109770)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109783)

  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

  • firefox: Use-after-free in the XML component (CVE-2026-109718)

  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)

  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)

  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)

  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)

  • firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)

  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)

  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

  • firefox: Other issue in the DOM: File component (CVE-2026-109744)

  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)

  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

  • firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)

  • firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-109734)

  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)

  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)

  • firefox: Race condition in the XPCOM component (CVE-2026-109776)

  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

  • firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)

  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

  • firefox: Information disclosure in the Storage: IndexedDB component (CVE-2026-109777)

  • firefox: Use-after-free in the SVG component (CVE-2026-109726)

  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)

  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)

  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109766)

  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

  • firefox: Site isolation issue in the Networking component (CVE-2026-109759)

  • firefox: Privilege escalation in the WebExtensions component (CVE-2026-109778)

  • firefox: Incorrect…

Record
RLSA-2026:93443
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
2026-11-03
OSVUBUNTU-CVE-2026-109704 8.8

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Record
UBUNTU-CVE-2026-109704
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2026:89756 No score

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)
  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)
  • firefox: Use-after-free in the XML component (CVE-2026-109718)
  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)
  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)
  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)
  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)
  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)
  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)
  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)
  • firefox: Other issue in the DOM: File component (CVE-2026-109744)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)
  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)
  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)
  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)
  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)
  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)
  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)
  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)
  • firefox: Use-after-free in the SVG component (CVE-2026-109726)
  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)
  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)
  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)
  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)
  • firefox: Information disclosure in the Networking component (CVE-2026-109751)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)
  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)
  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)
  • firefox: Frame poisoning in the Layout component (CVE-2026-109736)
  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)
  • firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)
  • firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)
  • firefox: Privilege escalation in the Panning and Zooming component (CVE-2026-109743)

Bug Fix(es) and Enhancement(s):

  • Firefox ESR 153 rebase [rhel-8.10.z] (JIRA:RHEL-175143)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to…

Record
ALSA-2026:89756
Updated
2026-11-03
OSVALSA-2026:89757 No score

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)
  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)
  • firefox: Use-after-free in the XML component (CVE-2026-109718)
  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)
  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)
  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)
  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)
  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)
  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)
  • firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)
  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)
  • firefox: Other issue in the DOM: File component (CVE-2026-109744)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)
  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)
  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)
  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)
  • firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)
  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)
  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)
  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)
  • firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)
  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)
  • firefox: Use-after-free in the SVG component (CVE-2026-109726)
  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)
  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)
  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)
  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)
  • firefox: Site isolation issue in the Networking component (CVE-2026-109759)
  • firefox: Incorrect boundary conditions in the SVG component (CVE-2026-109762)
  • firefox: Incorrect boundary conditions in the DOM: Editor component (CVE-2026-109754)
  • firefox: Information disclosure in the Networking component (CVE-2026-109751)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)
  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)
  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)
  • firefox: Frame poisoning in the Layout component (CVE-2026-109736) …
Record
ALSA-2026:89757
Updated
2026-11-02
OSVALSA-2026:89758 No score

Important: firefox security, bug fix, and enhancement update

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

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)
  • expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)
  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)
  • firefox: Use-after-free in the XML component (CVE-2026-109718)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)
  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)
  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)
  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)
  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)
  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)
  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)
  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)
  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)
  • firefox: Use-after-free in the SVG component (CVE-2026-109726)
  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)
  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)
  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)
  • firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)
  • firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)
  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)
  • firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)
  • firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)

Bug Fix(es) and Enhancement(s):

  • Firefox ESR 153 rebase [rhel-10.2.z] (JIRA:RHEL-175166)

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-2026:89758
Updated
2026-11-04
OSVALSA-2026:93443 No score

Important: thunderbird security, bug fix, and enhancement update

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)
  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109764)
  • firefox: Spoofing issue in the DOM: Web Serial component (CVE-2026-109770)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109783)
  • firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)
  • firefox: Use-after-free in the XML component (CVE-2026-109718)
  • firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)
  • firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)
  • firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)
  • firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)
  • firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)
  • firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)
  • firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)
  • firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)
  • firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)
  • firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)
  • firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)
  • firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)
  • firefox: Other issue in the DOM: File component (CVE-2026-109744)
  • firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)
  • firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)
  • firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)
  • firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)
  • firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)
  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)
  • firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-109734)
  • firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)
  • firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)
  • firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)
  • firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)
  • firefox: Race condition in the XPCOM component (CVE-2026-109776)
  • firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)
  • firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)
  • firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)
  • firefox: Information disclosure in the Storage: IndexedDB component (CVE-2026-109777)
  • firefox: Use-after-free in the SVG component (CVE-2026-109726)
  • firefox: Integer overflow in the Graphics component (CVE-2026-109730)
  • firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)
  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)
  • firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109766)
  • firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)
  • firefox: Site isolation issue in the Networking component (CVE-2026-109759)
  • firefox: Privilege escalation in the WebExtensions…
Record
ALSA-2026:93443
Updated
2026-11-02
OSVCLSA-2026-1792779937 No score

thunderbird: Fix of 56 CVEs

  • update to 153.5.0 ESR (MFSA 2026-103 for 153.4, MFSA 2026-110 for 153.5)
  • drop CVE-2026-100779-CVE-2026-100785.patch and CVE-2026-100781.patch, their fixes are part of 153.5.0
  • stop packaging rnp-cli and rnpkeys: upstream no longer installs them (bug 2068130); librnp.so is still shipped
  • regenerate langpacks from the 153.5.0esr release xpi set (66 languages, the same set as 153.3.1esr)
  • CVE-2026-103500: Heap buffer overflow opening large email
  • CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component
  • CVE-2026-100757: Use-after-free in the Widget component
  • CVE-2026-100758: Sandbox escape in the DOM: Navigation component
  • CVE-2026-100759: Uninitialized memory in the Storage: Quota Manager component
  • CVE-2026-100760: Sandbox escape in the Security: Process Sandboxing component
  • CVE-2026-100762: Sandbox escape due to use-after-free in the DOM: Content Processes component
  • CVE-2026-100765: Use-after-free in the JavaScript: WebAssembly component
  • CVE-2026-100766: Information disclosure in the Networking: JAR component
  • CVE-2026-100767: Use-after-free in the Networking: Cache component
  • CVE-2026-100769: Use-after-free in the JavaScript: WebAssembly component
  • CVE-2026-100770: Sandbox escape due to use-after-free in the DOM: Content Processes component
  • CVE-2026-100771: Undefined behavior in the DOM: Streams component
  • CVE-2026-100772: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-100773: Use-after-free in the Storage: IndexedDB component
  • CVE-2026-100774: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-100775: Sandbox escape in the Graphics component
  • CVE-2026-100776: Use-after-free in the JavaScript: WebAssembly component
  • CVE-2026-100777: Use-after-free in the Graphics: Canvas2D component
  • CVE-2026-100778: Sandbox escape due to use-after-free in the DOM: Core & HTML component
  • CVE-2026-100779: Use-after-free in the XSLT component
  • CVE-2026-100780: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-100781: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
  • CVE-2026-100782: Privilege escalation due to incorrect boundary conditions in the Graphics component
  • CVE-2026-100783: Uninitialized memory in the Audio/Video component
  • CVE-2026-100784: Use-after-free in the Layout: Text and Fonts component
  • CVE-2026-100785: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-100786: Sandbox escape due to use-after-free in the Graphics component
  • CVE-2026-100787: Sandbox escape in the XUL component
  • CVE-2026-100788: Invalid pointer in the JavaScript: WebAssembly component
  • CVE-2026-100789: Use-after-free in the Graphics: Canvas2D component
  • CVE-2026-100790: Use-after-free in the XSLT component
  • CVE-2026-100791: Use-after-free in the DOM: Core & HTML component
  • CVE-2026-100832: Use-after-free in the Graphics: Canvas2D component
  • CVE-2026-100792: JIT miscompilation in the JavaScript: WebAssembly component
  • CVE-2026-100794: Sandbox escape due to incorrect boundary conditions in the Internationalization component
  • CVE-2026-96869: Information disclosure in the Networking component
  • CVE-2026-100797: Privilege escalation due to use-after-free in the Graphics: WebRender component
  • CVE-2026-100798: Cryptography misuse in Storage: Quota Manager component
  • CVE-2026-100800: Sandbox escape due to use-after-free in the Disability Access APIs component
  • CVE-2026-100801: Privilege escalation in the DLL Services component
  • CVE-2026-100803: Same-origin policy bypass in the WebExtensions component
  • CVE-2026-100806: Uninitialized memory in the Graphics: WebGPU component
  • CVE-2026-100807: Privilege escalation in the DOM: Service Workers component
  • CVE-2026-100808: Mitigation bypass in the DOM: Service Workers component
  • CVE-2026-100809: Same-origin policy bypass in the DevTools component
  • CVE-2026-100811: Sandbox escape due to use-after-free in the DOM: Core & HTML component
  • CVE-2026-100812:…
Record
CLSA-2026-1792779937
Updated
2026-11-02
OSVMGASA-2026-0522 No score

Updated firefox, nss, firefox-l10n packages fix security vulnerabilities

Privilege escalation in the Application Update component. (CVE-2026-109704) Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. (CVE-2026-109705) Use-after-free in the Storage: IndexedDB component. (CVE-2026-109706) Sandbox escape due to use-after-free in the Networking component. (CVE-2026-109707) Sandbox escape due to incorrect boundary conditions in the Networking component. (CVE-2026-109708) Information disclosure, privilege escalation in the Security: Process Sandboxing component. (CVE-2026-109709) Use-after-free in the Graphics: Text component. (CVE-2026-109710) Use-after-free in the Graphics: Canvas2D component. (CVE-2026-109711) Sandbox escape due to uninitialized memory in the Graphics component. (CVE-2026-109712) Use-after-free in the Crash Reporting component. (CVE-2026-109713) Incorrect boundary conditions in the JavaScript Engine component. (CVE-2026-109715) Incorrect boundary conditions in the JavaScript Engine component. (CVE-2026-109716) Use-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-109717) Use-after-free in the XML component. (CVE-2026-109718) Race condition, use-after-free in the Graphics: CanvasWebGL component. (CVE-2026-109719) JIT miscompilation in the JavaScript: WebAssembly component. (CVE-2026-109720) Incorrect boundary conditions in the JavaScript Engine: JIT component. (CVE-2026-109721) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-109722) Integer overflow in the Layout: Text and Fonts component. (CVE-2026-109723) Use-after-free in the DOM: Core & HTML component. (CVE-2026-109724) Use-after-free in the DOM: Core & HTML component. (CVE-2026-109725) Use-after-free in the SVG component. (CVE-2026-109726) Use-after-free in the Audio/Video component. (CVE-2026-109727) Use-after-free in the DOM: Animation component. (CVE-2026-109728) Use-after-free in the JavaScript Engine: JIT component. (CVE-2026-109729) Integer overflow in the Graphics component. (CVE-2026-109730) Incorrect boundary conditions in the Graphics: Canvas2D component. (CVE-2026-109731) Use-after-free in the DOM: Streams component. (CVE-2026-109732) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-109733) Mitigation bypass in the DOM: Security component. (CVE-2026-109734) Frame poisoning in the Layout component. (CVE-2026-109736) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109737) Use-after-free in the Audio/Video: Playback component. (CVE-2026-109738) Use-after-free in the Storage: Bucket File System component. (CVE-2026-109741) Information disclosure in the PDF Viewer component. (CVE-2026-109742) Privilege escalation in the Panning and Zooming component. (CVE-2026-109743) Other issue in the DOM: File component. (CVE-2026-109744) Sandbox escape due to uninitialized memory in the DOM: Web Serial component. (CVE-2026-109745) Mitigation bypass in the File Handling component. (CVE-2026-109782) Information disclosure in the Networking component. (CVE-2026-109751) Use-after-free in the DOM: Workers component. (CVE-2026-109752) Incorrect boundary conditions in the Layout component. (CVE-2026-109753) Incorrect boundary conditions in the DOM: Editor component. (CVE-2026-109754) Privilege escalation in the DOM: Navigation component. (CVE-2026-109756) Sandbox escape due to race condition in the Networking component. (CVE-2026-109757) Site isolation issue in the Networking component. (CVE-2026-109759) Mitigation bypass in the Networking: HTTP component. (CVE-2026-109760) Incorrect boundary conditions in the SVG component. (CVE-2026-109762) Mitigation bypass in the File Handling component. (CVE-2026-109763) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109764) Race condition, use-after-free in the Graphics: Text component. (CVE-2026-109765) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109766) Information disclosure in the Networking component. (CVE-2026-109767)…

Record
MGASA-2026-0522
Updated
2026-11-02
OSVMGASA-2026-0523 No score

Updated thunderbird packages fix security vulnerabilities

Denial-of-service in the Exchange email component. (CVE-2026-110249) Privilege escalation in the Application Update component. (CVE-2026-109704) Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. (CVE-2026-109705) Use-after-free in the Storage: IndexedDB component. (CVE-2026-109706) Sandbox escape due to use-after-free in the Networking component. (CVE-2026-109707) Sandbox escape due to incorrect boundary conditions in the Networking component. (CVE-2026-109708) Information disclosure, privilege escalation in the Security: Process Sandboxing component. (CVE-2026-109709) Use-after-free in the Graphics: Text component. (CVE-2026-109710) Use-after-free in the Graphics: Canvas2D component. (CVE-2026-109711) Sandbox escape due to uninitialized memory in the Graphics component. (CVE-2026-109712) Use-after-free in the Crash Reporting component. (CVE-2026-109713) Incorrect boundary conditions in the JavaScript Engine component. (CVE-2026-109715) Incorrect boundary conditions in the JavaScript Engine component. (CVE-2026-109716) Use-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-109717) Use-after-free in the XML component. (CVE-2026-109718) Race condition, use-after-free in the Graphics: CanvasWebGL component. (CVE-2026-109719) JIT miscompilation in the JavaScript: WebAssembly component. (CVE-2026-109720) Incorrect boundary conditions in the JavaScript Engine: JIT component. (CVE-2026-109721) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-109722) Integer overflow in the Layout: Text and Fonts component. (CVE-2026-109723) Use-after-free in the DOM: Core & HTML component. (CVE-2026-109724) Use-after-free in the DOM: Core & HTML component. (CVE-2026-109725) Use-after-free in the SVG component. (CVE-2026-109726) Use-after-free in the Audio/Video component. (CVE-2026-109727) Use-after-free in the DOM: Animation component. (CVE-2026-109728) Use-after-free in the JavaScript Engine: JIT component. (CVE-2026-109729) Integer overflow in the Graphics component. (CVE-2026-109730) Incorrect boundary conditions in the Graphics: Canvas2D component. (CVE-2026-109731) Use-after-free in the DOM: Streams component. (CVE-2026-109732) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2026-109733) Mitigation bypass in the DOM: Security component. (CVE-2026-109734) Frame poisoning in the Layout component. (CVE-2026-109736) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109737) Use-after-free in the Audio/Video: Playback component. (CVE-2026-109738) Use-after-free in the Storage: Bucket File System component. (CVE-2026-109741) Information disclosure in the PDF Viewer component. (CVE-2026-109742) Privilege escalation in the Panning and Zooming component. (CVE-2026-109743) Other issue in the DOM: File component. (CVE-2026-109744) Sandbox escape due to uninitialized memory in the DOM: Web Serial component. (CVE-2026-109745) Mitigation bypass in the File Handling component. (CVE-2026-109782) Information disclosure in the Networking component. (CVE-2026-109751) Use-after-free in the DOM: Workers component. (CVE-2026-109752) Incorrect boundary conditions in the Layout component. (CVE-2026-109753) Incorrect boundary conditions in the DOM: Editor component. (CVE-2026-109754) Privilege escalation in the DOM: Navigation component. (CVE-2026-109756) Sandbox escape due to race condition in the Networking component. (CVE-2026-109757) Site isolation issue in the Networking component. (CVE-2026-109759) Mitigation bypass in the Networking: HTTP component. (CVE-2026-109760) Incorrect boundary conditions in the SVG component. (CVE-2026-109762) Mitigation bypass in the File Handling component. (CVE-2026-109763) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109764) Race condition, use-after-free in the Graphics: Text component. (CVE-2026-109765) Mitigation bypass in the Enterprise Policies component. (CVE-2026-109766)…

Record
MGASA-2026-0523
Updated
2026-11-02
OSVopenSUSE-SU-2026:12116-1 No score

firefox-esr-153.5.0-1.1 on GA media

These are all security issues fixed in the firefox-esr-153.5.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12116-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:12190-1 No score

MozillaFirefox-158.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-158.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12190-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:12224-1 No score

MozillaThunderbird-153.5.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-153.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12224-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:22139-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

  • CVE-2026-109704: Privilege escalation in the Application Update component.
  • CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.
  • CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
  • CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
  • CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
  • CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.
  • CVE-2026-109710: Use-after-free in the Graphics: Text component.
  • CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
  • CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
  • CVE-2026-109713: Use-after-free in the Crash Reporting component.
  • CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
  • CVE-2026-109718: Use-after-free in the XML component.
  • CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
  • CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
  • CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
  • CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
  • CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109726: Use-after-free in the SVG component.
  • CVE-2026-109727: Use-after-free in the Audio/Video component.
  • CVE-2026-109728: Use-after-free in the DOM: Animation component.
  • CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
  • CVE-2026-109730: Integer overflow in the Graphics component.
  • CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
  • CVE-2026-109732: Use-after-free in the DOM: Streams component.
  • CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109734: Mitigation bypass in the DOM: Security component.
  • CVE-2026-109736: Frame poisoning in the Layout component.
  • CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
  • CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
  • CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
  • CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
  • CVE-2026-109742: Information disclosure in the PDF Viewer component.
  • CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
  • CVE-2026-109744: Other issue in the DOM: File component.
  • CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
  • CVE-2026-109751: Information disclosure in the Networking component.
  • CVE-2026-109752: Use-after-free in the DOM: Workers component.
  • CVE-2026-109753: Incorrect boundary conditions in the Layout component.
  • CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
  • CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
  • CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
  • CVE-2026-109759: Site isolation issue in the Networking component.
  • CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
  • CVE-2026-109762: Incorrect boundary conditions in the SVG component.
  • CVE-2026-109763: Mitigation bypass in the File Handling component.
  • CVE-2026-109764: Mitigation bypass in the Enterprise Policies component. -…
Record
openSUSE-SU-2026:22139-1
Updated
2026-11-02
OSVSUSE-SU-2026:24260-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

  • CVE-2026-109704: Privilege escalation in the Application Update component.
  • CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.
  • CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
  • CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
  • CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
  • CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.
  • CVE-2026-109710: Use-after-free in the Graphics: Text component.
  • CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
  • CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
  • CVE-2026-109713: Use-after-free in the Crash Reporting component.
  • CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
  • CVE-2026-109718: Use-after-free in the XML component.
  • CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
  • CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
  • CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
  • CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
  • CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109726: Use-after-free in the SVG component.
  • CVE-2026-109727: Use-after-free in the Audio/Video component.
  • CVE-2026-109728: Use-after-free in the DOM: Animation component.
  • CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
  • CVE-2026-109730: Integer overflow in the Graphics component.
  • CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
  • CVE-2026-109732: Use-after-free in the DOM: Streams component.
  • CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109734: Mitigation bypass in the DOM: Security component.
  • CVE-2026-109736: Frame poisoning in the Layout component.
  • CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
  • CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
  • CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
  • CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
  • CVE-2026-109742: Information disclosure in the PDF Viewer component.
  • CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
  • CVE-2026-109744: Other issue in the DOM: File component.
  • CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
  • CVE-2026-109751: Information disclosure in the Networking component.
  • CVE-2026-109752: Use-after-free in the DOM: Workers component.
  • CVE-2026-109753: Incorrect boundary conditions in the Layout component.
  • CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
  • CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
  • CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
  • CVE-2026-109759: Site isolation issue in the Networking component.
  • CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
  • CVE-2026-109762: Incorrect boundary conditions in the SVG component.
  • CVE-2026-109763: Mitigation bypass in the File Handling component.
  • CVE-2026-109764: Mitigation bypass in the Enterprise Policies component. -…
Record
SUSE-SU-2026:24260-1
Updated
2026-11-02
OSVSUSE-SU-2026:4736-1 No score

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 153.5 (MFSA 2026-110, bsc#1284493):

  • CVE-2026-109704: Privilege escalation in the Application Update component.
  • CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.
  • CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
  • CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
  • CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
  • CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.
  • CVE-2026-109710: Use-after-free in the Graphics: Text component.
  • CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
  • CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
  • CVE-2026-109713: Use-after-free in the Crash Reporting component.
  • CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
  • CVE-2026-109718: Use-after-free in the XML component.
  • CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
  • CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
  • CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
  • CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
  • CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109726: Use-after-free in the SVG component.
  • CVE-2026-109727: Use-after-free in the Audio/Video component.
  • CVE-2026-109728: Use-after-free in the DOM: Animation component.
  • CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
  • CVE-2026-109730: Integer overflow in the Graphics component.
  • CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
  • CVE-2026-109732: Use-after-free in the DOM: Streams component.
  • CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109734: Mitigation bypass in the DOM: Security component.
  • CVE-2026-109736: Frame poisoning in the Layout component.
  • CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
  • CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
  • CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
  • CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
  • CVE-2026-109742: Information disclosure in the PDF Viewer component.
  • CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
  • CVE-2026-109744: Other issue in the DOM: File component.
  • CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
  • CVE-2026-109751: Information disclosure in the Networking component.
  • CVE-2026-109752: Use-after-free in the DOM: Workers component.
  • CVE-2026-109753: Incorrect boundary conditions in the Layout component.
  • CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
  • CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
  • CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
  • CVE-2026-109759: Site isolation issue in the Networking component.
  • CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
  • CVE-2026-109762: Incorrect boundary conditions in the SVG component.
  • CVE-2026-109763: Mitigation bypass in the File Handling component.
  • CVE-2026-109764: Mitigation bypass in the Enterprise Policies component. -…
Record
SUSE-SU-2026:4736-1
Updated
2026-11-02
OSVSUSE-SU-2026:4806-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

  • CVE-2026-109704: Privilege escalation in the Application Update component.
  • CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.
  • CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
  • CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
  • CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
  • CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.
  • CVE-2026-109710: Use-after-free in the Graphics: Text component.
  • CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
  • CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
  • CVE-2026-109713: Use-after-free in the Crash Reporting component.
  • CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
  • CVE-2026-109718: Use-after-free in the XML component.
  • CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
  • CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
  • CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
  • CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
  • CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109726: Use-after-free in the SVG component.
  • CVE-2026-109727: Use-after-free in the Audio/Video component.
  • CVE-2026-109728: Use-after-free in the DOM: Animation component.
  • CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
  • CVE-2026-109730: Integer overflow in the Graphics component.
  • CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
  • CVE-2026-109732: Use-after-free in the DOM: Streams component.
  • CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109734: Mitigation bypass in the DOM: Security component.
  • CVE-2026-109736: Frame poisoning in the Layout component.
  • CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
  • CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
  • CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
  • CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
  • CVE-2026-109742: Information disclosure in the PDF Viewer component.
  • CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
  • CVE-2026-109744: Other issue in the DOM: File component.
  • CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
  • CVE-2026-109751: Information disclosure in the Networking component.
  • CVE-2026-109752: Use-after-free in the DOM: Workers component.
  • CVE-2026-109753: Incorrect boundary conditions in the Layout component.
  • CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
  • CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
  • CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
  • CVE-2026-109759: Site isolation issue in the Networking component.
  • CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
  • CVE-2026-109762: Incorrect boundary conditions in the SVG component.
  • CVE-2026-109763: Mitigation bypass in the File Handling component.
  • CVE-2026-109764: Mitigation bypass in the Enterprise Policies component. -…
Record
SUSE-SU-2026:4806-1
Updated
2026-11-02
OSVSUSE-SU-2026:4834-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

  • CVE-2026-109704: Privilege escalation in the Application Update component.
  • CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.
  • CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
  • CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
  • CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
  • CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.
  • CVE-2026-109710: Use-after-free in the Graphics: Text component.
  • CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
  • CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
  • CVE-2026-109713: Use-after-free in the Crash Reporting component.
  • CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
  • CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
  • CVE-2026-109718: Use-after-free in the XML component.
  • CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
  • CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
  • CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
  • CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
  • CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
  • CVE-2026-109726: Use-after-free in the SVG component.
  • CVE-2026-109727: Use-after-free in the Audio/Video component.
  • CVE-2026-109728: Use-after-free in the DOM: Animation component.
  • CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
  • CVE-2026-109730: Integer overflow in the Graphics component.
  • CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
  • CVE-2026-109732: Use-after-free in the DOM: Streams component.
  • CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
  • CVE-2026-109734: Mitigation bypass in the DOM: Security component.
  • CVE-2026-109736: Frame poisoning in the Layout component.
  • CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
  • CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
  • CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
  • CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
  • CVE-2026-109742: Information disclosure in the PDF Viewer component.
  • CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
  • CVE-2026-109744: Other issue in the DOM: File component.
  • CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
  • CVE-2026-109751: Information disclosure in the Networking component.
  • CVE-2026-109752: Use-after-free in the DOM: Workers component.
  • CVE-2026-109753: Incorrect boundary conditions in the Layout component.
  • CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
  • CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
  • CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
  • CVE-2026-109759: Site isolation issue in the Networking component.
  • CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
  • CVE-2026-109762: Incorrect boundary conditions in the SVG component.
  • CVE-2026-109763: Mitigation bypass in the File Handling component.
  • CVE-2026-109764: Mitigation bypass in the Enterprise Policies component. -…
Record
SUSE-SU-2026:4834-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
firefox
AlmaLinux:8
From an advisory covering 41 CVEs
 before 153.5.0-1.el8_10
153.5.0-1.el8_10
firefox
AlmaLinux:9
From an advisory covering 48 CVEs
 before 153.5.0-1.el9_8
153.5.0-1.el9_8
firefox-x11
AlmaLinux:9
From an advisory covering 48 CVEs
 before 153.5.0-1.el9_8
153.5.0-1.el9_8
firefox
AlmaLinux:10
From an advisory covering 29 CVEs
 before 153.5.0-1.el10_2
153.5.0-1.el10_2
thunderbird
AlmaLinux:9
From an advisory covering 62 CVEs
 before 153.5.0-1.el9_8.alma.1
153.5.0-1.el9_8.alma.1
thunderbird
TuxCare:AlmaLinux:9.2
From an advisory covering 125 CVEs
 before 153.5.0-1.el9_2.alma.1.tuxcare.els1
153.5.0-1.el9_2.alma.1.tuxcare.els1
firefox-esr
Debian:12
 All versions, 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
 None known
firefox-esr
Debian:13
 All versions, plus listed versions
128.13.0esr-1128.14.0esr-1128.14.0esr-1~deb11u1128.14.0esr-1~deb12u1128.14.0esr-1~deb13u1
Show 45 moreShow less
140.10.0esr-1140.10.0esr-1~deb11u1140.10.0esr-1~deb12u1140.10.0esr-1~deb13u1140.10.1esr-1140.10.1esr-1~deb11u1140.10.1esr-1~deb12u1140.10.1esr-1~deb13u1140.10.2esr-1140.10.2esr-1~deb11u1140.10.2esr-1~deb12u1140.10.2esr-1~deb13u1140.11.0esr-1140.11.0esr-1~deb11u1140.11.0esr-1~deb12u1140.11.0esr-1~deb13u1140.12.0esr-1140.12.0esr-1~deb11u1140.12.0esr-1~deb12u1140.12.0esr-1~deb13u1140.13.0esr-1140.13.0esr-1~deb11u1140.13.0esr-1~deb12u1140.13.0esr-1~deb13u1140.13.0esr-2140.14.0esr-1~deb11u1140.14.0esr-1~deb12u1140.14.0esr-1~deb13u1140.14.0esr-2140.15.0esr-1140.15.0esr-1~deb12u1140.15.0esr-1~deb13u1140.16.0esr-1140.16.0esr-1~deb12u1140.16.0esr-1~deb13u1140.3.0esr-1140.3.0esr-1~deb11u1140.3.0esr-1~deb11u2140.3.0esr-1~deb12u1140.3.0esr-1~deb13u1140.3.0esr-2140.3.1esr-1140.3.1esr-1~deb11u1140.3.1esr-1~deb12u1140.3.1esr-1~deb13u1
 None known
firefox-esr
Debian:14
 All versions, plus listed versions
128.13.0esr-1128.14.0esr-1128.14.0esr-1~deb11u1128.14.0esr-1~deb12u1128.14.0esr-1~deb13u1
Show 45 moreShow less
140.10.0esr-1140.10.0esr-1~deb11u1140.10.0esr-1~deb12u1140.10.0esr-1~deb13u1140.10.1esr-1140.10.1esr-1~deb11u1140.10.1esr-1~deb12u1140.10.1esr-1~deb13u1140.10.2esr-1140.10.2esr-1~deb11u1140.10.2esr-1~deb12u1140.10.2esr-1~deb13u1140.11.0esr-1140.11.0esr-1~deb11u1140.11.0esr-1~deb12u1140.11.0esr-1~deb13u1140.12.0esr-1140.12.0esr-1~deb11u1140.12.0esr-1~deb12u1140.12.0esr-1~deb13u1140.13.0esr-1140.13.0esr-1~deb11u1140.13.0esr-1~deb12u1140.13.0esr-1~deb13u1140.13.0esr-2140.14.0esr-1~deb11u1140.14.0esr-1~deb12u1140.14.0esr-1~deb13u1140.14.0esr-2140.15.0esr-1140.15.0esr-1~deb12u1140.15.0esr-1~deb13u1140.16.0esr-1140.16.0esr-1~deb12u1140.16.0esr-1~deb13u1140.3.0esr-1140.3.0esr-1~deb11u1140.3.0esr-1~deb11u2140.3.0esr-1~deb12u1140.3.0esr-1~deb13u1140.3.0esr-2140.3.1esr-1140.3.1esr-1~deb11u1140.3.1esr-1~deb12u1140.3.1esr-1~deb13u1
 None known
firefox
Mageia:10
From an advisory covering 60 CVEs
 before 153.5.0-1.mga10
153.5.0-1.mga10
Show 41 moreShow less
Affected packages
PackageAffectedFixed
nss
Mageia:10
From an advisory covering 60 CVEs
 before 3.131.0-1.mga10
3.131.0-1.mga10
firefox-l10n
Mageia:10
From an advisory covering 60 CVEs
 before 153.5.0-1.mga10
153.5.0-1.mga10
thunderbird-l10n
Mageia:10
From an advisory covering 62 CVEs
 before 153.5.0-1.mga10
153.5.0-1.mga10
thunderbird
Mageia:10
From an advisory covering 62 CVEs
 before 153.5.0-1.mga10
153.5.0-1.mga10
firefox
openEuler:24.03-LTS-SP3
From an advisory covering 81 CVEs
 before 153.5.0-1.oe2403sp3
153.5.0-1.oe2403sp3
firefox
openEuler:24.03-LTS-SP4
From an advisory covering 81 CVEs
 before 153.5.0-1.oe2403sp4
153.5.0-1.oe2403sp4
firefox
Rocky Linux:8
From an advisory covering 41 CVEs
 before 0:153.5.0-1.el8_10
0:153.5.0-1.el8_10
firefox
Rocky Linux:9
From an advisory covering 48 CVEs
 before 0:153.5.0-1.el9_8
0:153.5.0-1.el9_8
firefox
Rocky Linux:10
From an advisory covering 29 CVEs
 before 0:153.5.0-1.el10_2
0:153.5.0-1.el10_2
thunderbird
Rocky Linux:9
From an advisory covering 62 CVEs
 before 0:153.5.0-1.el9_8
0:153.5.0-1.el9_8
MozillaFirefox
SUSE:Linux Enterprise Server 16.0
From an advisory covering 85 CVEs
 before 153.5.0-160000.1.1
153.5.0-160000.1.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 85 CVEs
 before 153.5.0-160000.1.1
153.5.0-160000.1.1
MozillaThunderbird
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 86 CVEs
 before 153.5.0-150400.13.9.1
153.5.0-150400.13.9.1
MozillaThunderbird
SUSE:Linux Enterprise Workstation Extension 15 SP7
From an advisory covering 86 CVEs
 before 153.5.0-150400.13.9.1
153.5.0-150400.13.9.1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-118.16.2
153.5.0-118.16.2
MozillaFirefox
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 85 CVEs
 before 153.5.0-118.16.2
153.5.0-118.16.2
MozillaFirefox
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 85 CVEs
 before 153.5.0-150400.157.16.1
153.5.0-150400.157.16.1
mozjs52
Ubuntu:18.04:LTS
 All versions, plus listed versions
52.3.1-0ubuntu352.3.1-7fakesync152.8.1-0ubuntu0.18.04.152.9.1-0ubuntu0.18.04.1
 None known
mozjs38
Ubuntu:18.04:LTS
 All versions, plus listed versions
38.8.0~repack1-0ubuntu138.8.0~repack1-0ubuntu338.8.0~repack1-0ubuntu4
 None known
mozjs68
Ubuntu:20.04:LTS
 All versions, plus listed versions
68.5.0-1~fakesync68.5.0-2~fakesync68.6.0-168.6.0-1ubuntu1
 None known
mozjs52
Ubuntu:20.04:LTS
 All versions, plus listed versions
52.9.1-1build152.9.1-1ubuntu3
 None known
mozjs102
Ubuntu:22.04:LTS
 All versions, plus listed versions
102.11.0-0ubuntu0.22.04.1102.12.0-0ubuntu0.22.04.1102.13.0-0ubuntu0.22.04.1102.15.1-0ubuntu0.22.04.1
 None known
mozjs78
Ubuntu:22.04:LTS
 All versions, plus listed versions
78.13.0-178.15.0-278.15.0-4ubuntu1
 None known
mozjs91
Ubuntu:22.04:LTS
 All versions, plus listed versions
91.5.1-0ubuntu191.6.0-191.6.0-291.7.0-291.10.0-0ubuntu1
 None known
thunderbird
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:91.1.2+build1-0ubuntu11:91.3.0+build2-0ubuntu11:91.3.1+build1-0ubuntu11:91.3.2+build1-0ubuntu11:91.4.0+build1.1-0ubuntu1
Show 34 moreShow less
1:91.4.0+build2-0ubuntu11:91.5.0+build1-0ubuntu11:91.5.1+build1-0ubuntu11:91.6.1+build1-0ubuntu11:91.7.0+build1-0ubuntu11:91.7.0+build2-0ubuntu11:91.8.0+build2-0ubuntu11:91.9.1+build1-0ubuntu0.22.04.11:91.11.0+build2-0ubuntu0.22.04.11:102.2.2+build1-0ubuntu0.22.04.11:102.4.2+build2-0ubuntu0.22.04.11:102.7.1+build2-0ubuntu0.22.04.11:102.8.0+build2-0ubuntu0.22.04.11:102.9.0+build1-0ubuntu0.22.04.11:102.10.0+build2-0ubuntu0.22.04.11:102.11.0+build1-0ubuntu0.22.04.11:102.13.0+build1-0ubuntu0.22.04.11:102.15.0+build1-0ubuntu0.22.04.11:102.15.1+build1-0ubuntu0.22.04.11:115.3.1+build1-0ubuntu0.22.04.21:115.4.1+build1-0ubuntu0.22.04.11:115.5.0+build1-0ubuntu0.22.04.11:115.6.0+build2-0ubuntu0.22.04.11:115.8.1+build1-0ubuntu0.22.04.11:115.9.0+build1-0ubuntu0.22.04.11:115.10.1+build1-0ubuntu0.22.04.11:115.11.0+build2-0ubuntu0.22.04.11:115.12.0+build3-0ubuntu0.22.04.11:115.13.0+build5-0ubuntu0.22.04.11:115.15.0+build1-0ubuntu0.22.04.11:115.16.0+build2-0ubuntu0.22.04.11:115.18.0+build1-0ubuntu0.22.04.11:128.12.0+build1-0ubuntu0.22.04.11:140.7.1+build1-0ubuntu0.22.04.1
 None known
mozjs102
Ubuntu:24.04:LTS
 All versions, plus listed versions
102.15.1-1102.15.1-3ubuntu2
 None known
mozjs115
Ubuntu:24.04:LTS
 All versions, plus listed versions
115.3.0-0ubuntu1115.4.0-2115.5.0-1115.6.0-1115.7.0-4
Show 4 moreShow less
115.8.0-1115.9.0-1115.9.0-1build1115.10.0-1
 None known
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 61 CVEs
 before 153.5.0-1.1
153.5.0-1.1
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 77 CVEs
 before 158.0-1.1
158.0-1.1
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 66 CVEs
 before 153.5.1-1.1
153.5.1-1.1
MozillaFirefox
openSUSE:Leap 16.0
From an advisory covering 85 CVEs
 before 153.5.0-160000.1.1
153.5.0-160000.1.1

History

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

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

In short

CVE-2026-109704 is a high vulnerability (CVSS 8.8) in Mozilla Firefox, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 230 versions, 267 references and the rest of 16 source descriptions. The JSON record has them.

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