firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

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...

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...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

RHEL 10 : thunderbird (RHSA-2026:12285)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:12285 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

Important: python3.12

Issue Overview: The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update, |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

FreeBSD : Mozilla -- Mitigation bypass (61805c9e-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 61805c9e-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=1880429 reports: Mitigation bypass in the DOM: postMessage...

FreeBSD : Mozilla -- Mitigation bypass (785dfce9-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 785dfce9-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2021666 reports: Mitigation bypass in the File Handling...

FreeBSD : Mozilla -- Mitigation bypass (2510f10a-4307-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 2510f10a-4307-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2016915 reports: Mitigation bypass in the DOM: Security...

FreeBSD : Mozilla -- Mitigation bypass (872a6e95-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 872a6e95-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2023615 reports: Mitigation bypass in the Networking: Cooki...

FreeBSD : Mozilla -- Mitigation bypass (1d3f0d87-4307-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 1d3f0d87-4307-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2025067 reports: Mitigation bypass in the DOM: Security...

FreeBSD : Mozilla -- Mitigation bypass (6f7989ef-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 6f7989ef-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2016923 reports: Mitigation bypass in the Networking: Cooki...

RLSA-2026:10757 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. 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 compone...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...