Firefox 108 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Firefox 108 reached end of life on 17 Jan 2023. It no longer receives security fixes.

1,357 days without security patches

Recommended action: upgrade to Firefox 157.

Check your versionfirefox --version

Support timeline

Official dates from the Firefox release process.

Milestone	Date	Status
Initial release	13 Dec 2022	3y 10mo ago
Security Support ended	17 Jan 2023	3y 9mo ago
Latest release	108.0.2 · 5 Jan 2023	final

Where to go from 108

Recommended target: Firefox 157.

The newest actively supported branch is Firefox 157 (latest release 157.0).

Frequently asked questions

Is Firefox 108 still safe to use?

Firefox 108 reached end of life on 17 Jan 2023, 1,357 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Firefox 108?

Yes — the final release (108.0.2) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Firefox 108 to?

Upgrade to Firefox 157, the newest actively supported branch.

Firefox 108 End of Life

Support timeline

Where to go from 108

Frequently asked questions

All Firefox versions