PT-2026-28095

Name of the Vulnerable Software and Affected Versions V8 versions 20.x through 25.x Description A flaw exists in V8's string hashing mechanism where integer-like strings are hashed to their numeric value, leading to predictable hash collisions. An attacker can exploit this by crafting requests th...

PT-2026-27401

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description The JavaScript Engine component contains a JIT miscompilation issue. Recommendations Update...

PT-2026-21696

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description A use-after-free issue exists in the JavaScript Engine...

PT-2026-27397

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 149 Firefox ESR versions prior to 115.34 and 140.9 Thunderbird versions prior to 149 and 140.9 Description: A flaw exists in the JavaScript Engine's JIT component, specifically a JIT miscompilation issue. This can le...

PT-2026-21716

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description An information disclosure issue exists due to Just-In-Time JIT miscompilation within the...

PT-2026-21719

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description A use-after-free issue exists in the JavaScript Engine component. This condition occurs when...

PT-2026-21718

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description The JavaScript Engine component contains an invalid pointer issue. Recommendations Update Firef...

PT-2026-21699

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description A use-after-free issue exists in the JavaScript Engine’s JIT component. This can potentially...

PT-2026-27400

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description A use-after-free issue exists in the JavaScript Engine component. This condition occurs when...

PT-2026-26528

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 146.0.7680.153 Description A type confusion issue exists in the V8 component of Google Chrome. This could allow a remote attacker to exploit heap corruption through a specially crafted HTML page. The Chromium...

PT-2026-20520

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 145.0.7632.109 Description An integer overflow in the V8 JavaScript engine within Google Chrome could lead to heap corruption. This issue could be triggered by a remote attacker using a specially crafted HTML...

PT-2026-27414

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description The software contains issues related to incorrect boundary conditions and uninitialized memory...

PT-2026-21698

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description A use-after-free issue exists in the JavaScript Engine component. Recommendations Update Firefo...

PT-2026-21697

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description The software contains a flaw related to JIT miscompilation...

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...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9. 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 available for each vulnerability fr...

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...

SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-upstream / etc (SUSE-SU-2025:4424-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4424-1 advisory. Update to Firefox Extended Support Release 140.6.0 ESR bsc1254551. - MFSA 2025-94 CVE-2025-14321...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.6.0 ESR bsc1254551. MFSA 2025-94 CVE-2025-14321: use-after-free in the WebRTC: Signaling component. CVE-2025-14322: sandbox escape due to incorrect boundary conditions in the Graphics:...