Firefox 128.x — End of Life
EOLFirefox 128.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 128LTS | Jul 9, 2024 | — | Sep 16, 2025 | 128.14.0 | EOL |
CVEs affecting Firefox 128.x (0)
Firefox 128.x is EOL — migrate to Firefox 129.x
Firefox 129.x is the next major release. Plan your upgrade before Firefox 128.x stops receiving security patches.
Frequently asked questions
Is Firefox 128 end of life?
Yes. All Firefox 128.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 129.x as soon as possible.
What CVEs affect Firefox 128?
No CVEs are currently tracked for Firefox 128.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 128 version?
The latest Firefox 128.x patch release is 128.14.0, released on August 19, 2025. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 128 to Firefox 129?
To migrate from Firefox 128 to Firefox 129: (1) review the official Firefox 129 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 128 in production?
No. Firefox 128 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