Security Information for Firefox, Thunderbird

Posted at Wednesday, April 22, 2026

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

References

Security Vulnerabilities fixed in Firefox 150 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2026-30/)

Security Vulnerabilities fixed in Thunderbird 150 — Mozilla (https://www.mozilla.org/en-US/security/advisories/mfsa2026-33/)