Firefox 150.x — End of Life
EOLFirefox 150.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 150 | Apr 21, 2026 | — | May 18, 2026 | 150.0.3 | EOL |
CVEs affecting Firefox 150.x (0)
Firefox 150.x is EOL — migrate to Firefox 151.x
Firefox 151.x is the next major release. Plan your upgrade before Firefox 150.x stops receiving security patches.
Frequently asked questions
Is Firefox 150 end of life?
Yes. All Firefox 150.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 151.x as soon as possible.
What CVEs affect Firefox 150?
No CVEs are currently tracked for Firefox 150.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 150 version?
The latest Firefox 150.x patch release is 150.0.3, released on May 12, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 150 to Firefox 151?
To migrate from Firefox 150 to Firefox 151: (1) review the official Firefox 151 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 150 in production?
No. Firefox 150 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