Firefox 135.x — End of Life
EOLFirefox 135.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 135 | Feb 4, 2025 | — | Mar 4, 2025 | 135.0.1 | EOL |
CVEs affecting Firefox 135.x (0)
Firefox 135.x is EOL — migrate to Firefox 136.x
Firefox 136.x is the next major release. Plan your upgrade before Firefox 135.x stops receiving security patches.
Frequently asked questions
Is Firefox 135 end of life?
Yes. All Firefox 135.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 136.x as soon as possible.
What CVEs affect Firefox 135?
No CVEs are currently tracked for Firefox 135.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 135 version?
The latest Firefox 135.x patch release is 135.0.1, released on February 18, 2025. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 135 to Firefox 136?
To migrate from Firefox 135 to Firefox 136: (1) review the official Firefox 136 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 135 in production?
No. Firefox 135 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