Mozilla Thunderbird < 140.11

The version of Thunderbird installed on the remote Windows host is prior to 140.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-51 advisory. - Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. Some of these bugs showed evidence of memor...

Mozilla Thunderbird < 140.11

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-51 advisory. - Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. Some of these bugs showed evidenc...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

Important: firefox

Issue Overview: Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero. CVE-2026-6654 Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150,...

Important: thunderbird

Issue Overview: Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero. CVE-2026-6654 Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150,...

AlmaLinux 9 : thunderbird (ALSA-2026:15892)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:15892 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScrip...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

MGASA-2026-0125 Updated thunderbird packages fix security vulnerabilities

Use-after-free in the DOM: Core & HTML component. CVE-2026-6746 Use-after-free in the WebRTC component. CVE-2026-6747 Uninitialized memory in the Audio/Video: Web Codecs component. CVE-2026-6748 Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. CVE-2026-6749...

Updated rootcerts, nss & firefox packages fix security vulnerabilities

Use-after-free in the DOM: Core & HTML component. CVE-2026-6746 Use-after-free in the WebRTC component. CVE-2026-6747 Uninitialized memory in the Audio/Video: Web Codecs component. CVE-2026-6748 Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. CVE-2026-6749...

CVE-2026-7933

An out of bounds read flaw was found in the WebCodecs component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=488585490...

SUSE-SU-2026:1741-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Updated to Mozilla Thunderbird 140.10.1: MFSA 2026-34 bsc1262230: - CVE-2026-6746: Use-after-free in the DOM: Core & HTML component. - CVE-2026-6747: Use-after-free in the WebRTC component. - CVE-2026-6748: Uninitialized memory in the...

MiracleLinux 8 : firefox-140.10.0-1.el8_10.ML.1 (AXSA:2026-549:09)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-549:09 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the...