Squid 2.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Squid 2.5 reached end of life on 20 May 2006. It no longer receives security fixes.
7,386 days without security patches
Recommended action: upgrade to Squid 7. Check your versionsquid -v
Support timeline
Official dates from the Squid release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 24 Sept 2002 | — |
| End of life | 20 May 2006 | 20.2 years ago |
| Latest release | 2.5.14 · 20 May 2006 | final |
Where to go from 2.5
Recommended target: Squid 7.
The newest actively supported branch is Squid 7 (latest release 7.6).
Frequently asked questions
Is Squid 2.5 still safe to use?
Squid 2.5 reached end of life on 20 May 2006, 7,386 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Squid 2.5?
Yes — the final release (2.5.14) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Squid 2.5 to?
Upgrade to Squid 7, the newest actively supported branch.