Our servers are protected against the PHP security vulnerability disclosed in October. The update was installed on 21 October 2026. More about php2shell Patch Log in

Firefox 146

Support for Firefox 146 ended on 13/01/2026. There are no more security updates for this branch.

End of support reached

Latest version: 146.0.1, released on 18/12/2025

End of support: 13/01/2026

536 known vulnerabilities open in 146.0.1

Vulnerabilities in Firefox 146

538 vulnerabilities from the NVD affect at least one version of this branch. Last checked on 03/11/2026.

And 438 more.

66 vulnerabilities of Firefox have no version information in the NVD and are not assigned to any branch.

Get notified

Add Firefox with your version and Erseni Patch writes to you about new versions, vulnerabilities in exactly your version and the end of support.

Already have an account? Log in and add Firefox 146

All branches of Firefox

Vulnerabilities Software A-Z Imprint Privacy Accessibility English Deutsch © 2026 Erseni