Firefox 136.x — End of Life

EOL
EOL: Apr 1, 20251 release in this series0 CVEs

Firefox 136.x — All releases

VersionReleasedActive supportEOL dateLatest patchStatus
136Mar 4, 2025Apr 1, 2025136.0.4EOL

CVEs affecting Firefox 136.x (0)

No CVEs tracked for Firefox 136.x.

Firefox 136.x is EOL — migrate to Firefox 137.x

Firefox 137.x is the next major release. Plan your upgrade before Firefox 136.x stops receiving security patches.

See Firefox 137.x

Frequently asked questions

Is Firefox 136 end of life?

Yes. All Firefox 136.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 137.x as soon as possible.

What CVEs affect Firefox 136?

No CVEs are currently tracked for Firefox 136.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.

What is the latest Firefox 136 version?

The latest Firefox 136.x patch release is 136.0.4, released on March 27, 2025. Always run the latest patch to benefit from all security fixes.

How to migrate from Firefox 136 to Firefox 137?

To migrate from Firefox 136 to Firefox 137: (1) review the official Firefox 137 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.

Is it safe to run Firefox 136 in production?

No. Firefox 136 has reached end of life and security vulnerabilities are no longer patched. Upgrade to a supported version immediately.

Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA