PT-2026-91950

Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16...

PT-2026-91959

Use-after-free in the XML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 140.16...

KLA91282 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. A...

Mozilla Firefox ESR < 115.41

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.41. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-91 advisory. - Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firef...

OESA-2026-3791 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

OESA-2026-3790 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

OESA-2026-3789 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Firefox, Thunderbird

Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Firefox, Thunderbird

Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

Inconsistent data in the instruction and data cache when creating Wasm code can lead to a potentially exploitable crash.This bug only affects Firefox on ARM64 platforms.. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

Astra Linux – Vulnerability in Firefox and Thunderbird

A spoofing issue exists in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7...

Astra Linux – Vulnerability in Firefox, Thunderbird

Memory safety bugs exist in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145, and Thunderbird 145. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability wa...

Astra Linux – Vulnerability in Firefox and Thunderbird

JIT compilation errors in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 135. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability has been fixed in Firefox 135.0.1...

Astra Linux – Vulnerability in Firefox, Thunderbird

Memory safety bugs exist in Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefox version...

Astra Linux – Vulnerability in Firefox, Thunderbird

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

In some cases, JIT-compiled code might have dereferenced a wild pointer value. This could lead to a exploitable crash. This vulnerability affects Firefox versions earlier than 122...

Astra Linux – Vulnerability in Firefox, Thunderbird

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

Astra Linux – Vulnerability in Firefox, Thunderbird

A memory safety bug exists in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug exhibited signs of memory corruption, and we assume that with sufficient effort, this could have been exploited to execute arbitrary code. This vulnerability affects Firefox versions less than 125, Firef...