Memcached 1.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Memcached 1.4 reached end of life on 21 Jul 2017. It no longer receives security fixes.
3,306 days without security patches
Recommended action: upgrade to Memcached 1.6. Check your versionmemcached -h
Support timeline
Official dates from the Memcached release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 9 Jul 2009 | — |
| End of life | 21 Jul 2017 | 9.1 years ago |
| Latest release | 1.4.39 · 4 Jul 2017 | final |
Where to go from 1.4
Recommended target: Memcached 1.6.
The newest actively supported branch is Memcached 1.6 (latest release 1.6.45).
Frequently asked questions
Is Memcached 1.4 still safe to use?
Memcached 1.4 reached end of life on 21 Jul 2017, 3,306 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Memcached 1.4?
Yes — the final release (1.4.39) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Memcached 1.4 to?
Upgrade to Memcached 1.6, the newest actively supported branch.