Security Information for Thunderbird

Posted at Monday, November 17, 2025

The latest version of Thunderbird has been released. These updates include fixes for vulnerabilities.

Security Vulnerabilities fixed in Thunderbird 145 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2025-90/) Security Vulnerabilities fixed in Thunderbird 140.5 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2025-91/)