Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.8.0 ESR MFSA 2026-15 bsc1258568: CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component CVE-2026-2758: Use-after-free in the JavaScript: GC component CVE-2026-2759:...

AlmaLinux 8 : firefox (ALSA-2026:3338)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:3338 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR...

RLSA-2026:3361 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs fixed in Firef...

firefox: thunderbird: Same-origin policy bypass in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Networking: JAR component...