Firefox 141.x — End of Life
EOLFirefox 141.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 141 | Jul 22, 2025 | — | Aug 19, 2025 | 141.0.3 | EOL |
CVEs affecting Firefox 141.x (0)
Firefox 141.x is EOL — migrate to Firefox 142.x
Firefox 142.x is the next major release. Plan your upgrade before Firefox 141.x stops receiving security patches.
Frequently asked questions
Is Firefox 141 end of life?
Yes. All Firefox 141.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 142.x as soon as possible.
What CVEs affect Firefox 141?
No CVEs are currently tracked for Firefox 141.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 141 version?
The latest Firefox 141.x patch release is 141.0.3, released on August 7, 2025. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 141 to Firefox 142?
To migrate from Firefox 141 to Firefox 142: (1) review the official Firefox 142 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 141 in production?
No. Firefox 141 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