KLA91309 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. Below is a complete list of vulnerabilities: 1. A remote code execution...

KLA91311 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...

Mozilla Thunderbird < 157.0

The version of Thunderbird installed on the remote Windows host is prior to 157.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-101 advisory. - Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153....

Mozilla Thunderbird < 140.17

The version of Thunderbird installed on the remote Windows host is prior to 140.17. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-102 advisory. - Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in...

ALSA-2026:73130 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

RLSA-2026:70642 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

OESA-2026-4121 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fixes: Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird...

OESA-2026-4122 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fixes: Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9. 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 fr...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

RHEL 9 : thunderbird (RHSA-2026:70642)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:70642 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Worke...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

ALSA-2026:70642 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

[SECURITY] Fedora 44 Update: thunderbird-155.0-4.fc44

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

OESA-2026-3982 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and...

[SECURITY] Fedora 45 Update: thunderbird-155.0-4.fc45

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

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:4268-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4268-1 advisory. Mozilla Thunderbird 153.2: fixed: Deleting an Exchange account retained the outgoing server settings fixed:...

SUSE-SU-2026:4268-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 153.2: fixed: Deleting an Exchange account retained the outgoing server settings fixed: Thunderbird upgrade disabled Settings menu for versions before macOS 13 fixed: Windows jump list menu no longer functioned...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 153.2: fixed: Deleting an Exchange account retained the outgoing server settings fixed: Thunderbird upgrade disabled Settings menu for versions before macOS 13 fixed: Windows jump list menu no longer functioned...