CVE-2026-8948

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

CVE-2026-8966

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the IP Protection component...

CVE-2026-8971

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

CVE-2026-8964

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

CVE-2026-8973

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been...

CVE-2026-8960

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

CVE-2026-8965

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

CVE-2026-8969

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...

CVE-2026-8952

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Application Update component...

CVE-2026-8091

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: Playback component...

CVE-2026-8963

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

CVE-2026-8967

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Graphics: WebGPU component...

CVE-2026-8949

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Integer overflow in the Widget: Win32 component...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 10. 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...

RLSA-2026:22325 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component CVE-2026-8391 firefox: Sandbox escape in the Profile Backup component...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Updated to Mozilla Thunderbird 140.11 bsc1265212 MFSA 2026-44: CVE-2026-8090: Use-after-free in the DOM: Networking component. CVE-2026-8092: Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2. CVE-2026-8094:...

SUSE-SU-2026:2271-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues - Updated to Mozilla Thunderbird 140.11 bsc1265212 MFSA 2026-44: - CVE-2026-8090: Use-after-free in the DOM: Networking component. - CVE-2026-8092: Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2. -...

[SECURITY] Fedora 44 Update: rust-sequoia-octopus-librnp-1.11.1-7.fc44

Reimplementation of RNP's interface using Sequoia for use with Thunderbird...

[SECURITY] Fedora 43 Update: rust-sequoia-octopus-librnp-1.11.1-7.fc43

Reimplementation of RNP's interface using Sequoia for use with Thunderbird...

ROS-20260605-73-0058

Vulnerability of Audio/Video components: Mozilla Firefox, Firefox ESR, and Thunderbird’s email client use web codecs. This vulnerability is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...