Firefox 103.x — End of Life
EOLFirefox 103.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 103 | Jul 26, 2022 | — | Aug 23, 2022 | 103.0.2 | EOL |
CVEs affecting Firefox 103.x (0)
Firefox 103.x is EOL — migrate to Firefox 104.x
Firefox 104.x is the next major release. Plan your upgrade before Firefox 103.x stops receiving security patches.
Frequently asked questions
Is Firefox 103 end of life?
Yes. All Firefox 103.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 104.x as soon as possible.
What CVEs affect Firefox 103?
No CVEs are currently tracked for Firefox 103.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 103 version?
The latest Firefox 103.x patch release is 103.0.2, released on August 9, 2022. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 103 to Firefox 104?
To migrate from Firefox 103 to Firefox 104: (1) review the official Firefox 104 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 103 in production?
No. Firefox 103 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