RLSA-2026:5931 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR...

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D component...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D component...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:1163-1)

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-2026:1163-1 advisory. Update to Mozilla Thunderbird 140.9 MFSA 2026-24, bsc1260083: - CVE-2026-3889: Spoofing issue in...

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D component...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...

SUSE-SU-2026:1163-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Update to Mozilla Thunderbird 140.9 MFSA 2026-24, bsc1260083: - CVE-2026-3889: Spoofing issue in Thunderbird - CVE-2026-4371: Out of bounds read in IMAP parsing - CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRende...

ALSA-2026:6342 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and...

MiracleLinux 8 : firefox-140.9.0-1.el8_10.ML.1 (AXSA:2026-373:06)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-373:06 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR...

Code Issue Vulnerability in Multiple Mozilla Products (CNVD-2026-19982)

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code issue vulnerability exists in multiple Mozilla products due to an...

Code execution vulnerability in multiple Mozilla products (CNVD-2026-19985)

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code execution vulnerability exists in multiple Mozilla products due to...

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D component...

RHEL 9 : thunderbird (RHSA-2026:6188)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:6188 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

ALSA-2026:6188 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8. 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 from t...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D component...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...