Security Information for Firefox, Thunderbird

Posted at Wednesday, April 08, 2026

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

References

Security Vulnerabilities fixed in Firefox 149.0.2 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2026-25/)

Security Vulnerabilities fixed in Thunderbird 149.0.2 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2026-28/)