RLSA-2026:80674 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the Graphics: Canvas2D component CVE-2026-100832 firefox: Use-after-free in the Layout: Text and Fonts component CVE-2026-100784 firefox: thunderbird: Privilege escalation in the...

RLSA-2026:80694 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the Graphics: Canvas2D component CVE-2026-100832 firefox: Use-after-free in the Layout: Text and Fonts component CVE-2026-100784 firefox: thunderbird: Privilege escalation in the...

MozillaThunderbird-153.4.0-1.1 on GA media (moderate)

MozillaThunderbird-153.4.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:12098-1 Rating: moderate Cross-References: CVE-2026-100756 CVE-2026-100757 CVE-2026-100758 CVE-2026-100759 CVE-2026-100760 CVE-2026-100762 CVE-2026-100765 CVE-2026-100766 CVE-2026-100767 CVE-2026-100769 CVE-2026-100770...

Mozilla Thunderbird < 153.5.1

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 153.5.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-115 advisory. - Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which...

Mozilla Thunderbird < 153.5.1

The version of Thunderbird installed on the remote Windows host is prior to 153.5.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-115 advisory. - Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was...

Mozilla Thunderbird < 158.0.1

The version of Thunderbird installed on the remote Windows host is prior to 158.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-114 advisory. - Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was...

KLA91360 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Security vulnerability can be exploited to bypass securit...

KLA91364 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service. Below is a complete list of vulnerabilities: 1. Security vulnerability can be exploited to bypass security restrictions. 2...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:4736-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4736-1 advisory. Update to Mozilla Thunderbird 153.5 MFSA 2026-110, bsc1284493: - CVE-2026-109704: Privilege escalation in the...

[SECURITY] Fedora 44 Update: thunderbird-158.0-2.fc44

Mozilla Thunderbird is a standalone mail and newsgroup client...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143, and Thunderbird 143. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code...

Astra Linux – Vulnerability in Firefox

A memory safety bug has been fixed in Firefox 152. This vulnerability was addressed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:4627-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4627-1 advisory. Update to Mozilla Thunderbird 153.4 MFSA 2026-96, MFSA 2026-103, bsc1280371, bsc1282929: - CVE-2026-92005:...

KLA91328 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. A...

KLA91330 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1...

KLA91333 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. Denia...

Mozilla Thunderbird < 153.5

The version of Thunderbird installed on the remote Windows host is prior to 153.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-110 advisory. - Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158 and Firefox ESR...

Mozilla Thunderbird < 158.0

The version of Thunderbird installed on the remote Windows host is prior to 158.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-109 advisory. - Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1. CVE-2026-10601...