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: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

Multiple Mozilla product code execution vulnerabilities (CNVD-2026-26877)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26389)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have buffer overflow vulnerabilities...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26884)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have service denial vulnerabilities (CNVD-2026-26374)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that was separated from the Mozilla Application Suite. Several Mozilla products have denial-of-service vulnerabilities, whic...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26886)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla product information leakage vulnerabilities (CNVD-2026-26879)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

RHEL 8 : thunderbird (RHSA-2026:33445)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:33445 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers...

thunderbird security update

140.12.0-1.0.1 - Fix prefs for new nss Orabug: 37079820 - Add Oracle prefs file 140.12.0 - Add OpenELA debranding 140.12.0-1 - Update to 140.12.0 ESR...

Multiple Mozilla product logic processing errors (CNVD-2026-26387)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have vulnerabilities related to...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26885)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Vulnerability of the Graphics component: Canvas2D in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows attackers to trigger a service failure.

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to incorrect handling of unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

Vulnerability of the Graphics component: Canvas2D in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows attackers to trigger a service failure.

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to incorrect handling of unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

Security update for MozillaThunderbird (critical)

openSUSE security update: security update for mozillathunderbird ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21168-1 Rating: critical References: bsc1158957 bsc1263110 bsc1264378 bsc1265212 bsc1268071 Cross-References: CVE-2026-12289...

RHEL 10 : thunderbird (RHSA-2026:30846)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:30846 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers...

Multiple Mozilla product logic processing errors (CNVD-2026-26386)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have vulnerabilities related to...

Multiple Mozilla products have vulnerabilities due to improper exception handling.

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26883)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla product logic processing errors (CNVD-2026-26878)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...