RLSA-2026:21381 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component CVE-2026-8391 firefox: Sandbox escape in the Profile Backup component...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memor...

Important: firefox

Issue Overview: Race condition in the Graphics component. This vulnerability affects Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30. CVE-2025-13012 Mitigation bypass in the DOM: Core & HTML component. This vulnerability affects Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30...

OPENSUSE-SU-2025:20065-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.5.0 ESR: Fixed: Various security fixes MFSA 2025-88 bsc1253188: CVE-2025-13012 Race condition in the Graphics component CVE-2025-13016 Incorrect boundary conditions in the...

MGASA-2025-0305 Updated thunderbird packages fix security vulnerabilities

Race condition in the Graphics component. CVE-2025-13012 Mitigation bypass in the DOM: Core & HTML component. CVE-2025-13013 CVE-2025-13014: Use-after-free in the Audio/Video component. CVE-2025-13014 Spoofing issue in Firefox. CVE-2025-13015 Incorrect boundary conditions in the JavaScript:...

Mozilla Thunderbird < 140.5

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-91 advisory. - Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects Firefox 145, Firefox ESR...

CVE-2025-13018

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5...