Mozilla Thunderbird < 152.0

The version of Thunderbird installed on the remote Windows host is prior to 152.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-60 advisory. - Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

Mozilla Thunderbird < 140.12

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-61 advisory. - Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152,...

RHEL 9 : thunderbird (RHSA-2026:26174)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26174 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

RHEL 8 : thunderbird (RHSA-2026:26270)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26270 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

Mozilla Thunderbird < 140.12

The version of Thunderbird installed on the remote Windows host is prior to 140.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-61 advisory. - Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox E...

Security Vulnerabilities fixed in Thunderbird 152 — Mozilla

Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11,...

PT-2026-49697

Name of the Vulnerable Software and Affected Versions Firefox ESR versions 115.36 Firefox ESR versions 140.11 Thunderbird ESR versions 140.11 Firefox version 151 Thunderbird version 151 Description Memory safety bugs involving memory corruption may allow the execution of arbitrary code...

PT-2026-49696

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird ESR versions prior to 140.12 Description Memory safety bugs involving memory corruption may allow the execution of arbitrary code...

The vulnerability of the Bindings component (WebIDL) in browsers Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to execute arbitrary code.

The vulnerability of the Bindings component WebIDL in browsers Firefox, Firefox ESR, and the email client Thunderbird is related to the execution of operations outside the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Networking component of the Firefox browser and the Thunderbird email client allows a hacker to execute arbitrary code.

The vulnerability of the Networking component of the Firefox browser and the Thunderbird email client is related to the use of an untrusted network policy file. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Web Codecs component in browsers Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to execute arbitrary code.

The vulnerability of the Web Codecs component in Firefox browsers, Firefox ESR, and the email client Thunderbird is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

MiracleLinux 8 : thunderbird-140.11.0-1.el8_10.ML.1 (AXSA:2026-781:13)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-781:13 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component...

RHEL 8 : thunderbird (RHSA-2026:25014)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:25014 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Memory safety bugs fixed in Firefox ES...

RHSA-2026:25014 Red Hat Security Advisory: thunderbird security update

Bulletin has no description...

RHSA-2026:24844 Red Hat Security Advisory: thunderbird security update

Bulletin has no description...

RHSA-2026:24846 Red Hat Security Advisory: thunderbird security update

Bulletin has no description...

firefox: thunderbird: Other issue in the WebRTC component

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

firefox: thunderbird: Use-after-free in the DOM: Networking 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: Networking component...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort som...

firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to incorrect boundary conditions in the Audio/Video component...