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

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

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

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8486

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox 148, Firefox ESR 115.33, and Firefox ESR 140.8...

CVE-2026-2764

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Firefox -- Multiple vulnerabilities

CVE-2026-2807: Memory safety bugs present in Firefox 147 and Thunderbird 147 CVE-2026-2806: Uninitialized memory in the Graphics: Text component. CVE-2026-2805: Invalid pointer in the DOM: Core & HTML component. CVE-2026-2804: Use-after-free in the JavaScript: WebAssembly component. CVE-2026-2803...

PT-2026-21729

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Thunderbird versions prior to 148 Description A JIT miscompilation issue exists in the JavaScript: WebAssembly component. JIT Just-In-Time compilation is a method used by browsers to improve execution speed by...

OESA-2026-1264 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.CVE-2025-14321 Sandbox escape due to incorrect boundary conditions in...

OPENSUSE-SU-2026:20046-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: - Mozilla Thunderbird 140.6.0 ESR MFSA 2025-96 bsc1254551 CVE-2025-14321 bmo1992760 Use-after-free in the WebRTC: Signaling component CVE-2025-14322 bmo1996473 Sandbox escape due to incorrect boundary...

OESA-2026-1089 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-2026-1085 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...

MiracleLinux 8 : thunderbird-140.6.0-1.el8_10.ML.1 (AXSA:2026-021:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-021:01 advisory. firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 CVE-2025-14333 firefox: Use-after-free...

Astra Linux – Vulnerability in Firefox, 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...

MiracleLinux 9 : firefox-140.6.0-1.el9_7.ML.1 (AXSA:2025-11561:38)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11561:38 advisory. firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 CVE-2025-14333 firefox: Use-after-fr...

MiracleLinux 9 : thunderbird-140.6.0-1.el9_7.ML.1 (AXSA:2025-11620:28)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2025-11620:28 advisory. firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 CVE-2025-14333 firefox: Use-after-fr...

SUSE-SU-2026:20031-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.6.0 ESR was released: Fixed: Various security fixes. MFSA 2025-94 bsc1254551: CVE-2025-14321: Use-after-free in the WebRTC: Signaling component CVE-2025-14322: Sandbox escape...

OPENSUSE-SU-2026:20014-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.6.0 ESR was released: Fixed: Various security fixes. MFSA 2025-94 bsc1254551: CVE-2025-14321: Use-after-free in the WebRTC: Signaling component CVE-2025-14322: Sandbox escape...

Important: firefox

Issue Overview: Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox 146 and Firefox ESR 140.6. CVE-2025-14321 Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox 146, Firefox ESR 115.31, a...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...