Squid 5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Squid 5 reached end of life on 6 Jul 2023. It no longer receives security fixes.
1,130 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 | 31 Jul 2021 | — |
| End of life | 6 Jul 2023 | 3.1 years ago |
| Latest release | 5.9 · 1 May 2023 | final |
Where to go from 5
Recommended target: Squid 7.
The newest actively supported branch is Squid 7 (latest release 7.6).
Frequently asked questions
Is Squid 5 still safe to use?
Squid 5 reached end of life on 6 Jul 2023, 1,130 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Squid 5?
Yes — the final release (5.9) 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 5 to?
Upgrade to Squid 7, the newest actively supported branch.