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Squid
Active
Server Software Latest Version: 7.4 Latest Release: Jan 20, 2026
Squid is a caching and forwarding HTTP web proxy supporting HTTP, HTTPS, FTP, and more.
Versions
14
Latest Version
7.4
Active Support
1
EOL
13
Lifecycle Timeline
Today ↓
7
7
6
6
5
5
4
4
3.5
3.5
3.4
3.4
3.3
3.3
3.2
3.2
3.1
3.1
2.7
2.7
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 7 | Jul 10, 2025 | - | No | 7.4 | No | Active |
| 6 | Jul 6, 2023 | - | Jul 10, 2025 | 6.14 | No | EOL |
| 5 | Jul 31, 2021 | - | Jul 6, 2023 | 5.9 | No | EOL |
| 4 | Jul 3, 2018 | - | Oct 4, 2021 | 4.17 | No | EOL |
| 3.5 | Jan 13, 2015 | - | Aug 7, 2018 | 3.5.28 | No | EOL |
| 3.4 | Dec 8, 2013 | - | Aug 1, 2015 | 3.4.14 | No | EOL |
| 3.3 | Feb 9, 2013 | - | May 1, 2015 | 3.3.14 | No | EOL |
| 3.2 | Aug 14, 2012 | - | May 1, 2015 | 3.2.14 | No | EOL |
| 3.1 | Mar 29, 2010 | - | Jan 8, 2013 | 3.1.23 | No | EOL |
| 2.7 | May 27, 2008 | - | Mar 14, 2010 | 2.7.9 | No | EOL |
| 3.0 | Dec 14, 2007 | - | Aug 27, 2011 | 3.0.26 | No | EOL |
| 2.6 | Jul 1, 2006 | - | Mar 26, 2010 | 2.6.24 | No | EOL |
| 2.5 | Sep 24, 2002 | - | May 20, 2006 | 2.5.14 | No | EOL |
| 2.4 | Mar 20, 2001 | - | Jul 2, 2002 | 2.4.7 | No | EOL |
Frequently Asked Questions
Which versions of Squid have reached end of life?
The following Squid versions have reached end of life and no longer receive security updates: 6, 5, 4, 3.5, 3.4, 3.3, 3.2, 3.1 (and 5 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Squid 6?
Squid 6 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Squid?
The latest version of Squid is 7.4, released in the 7 release cycle.
How many versions of Squid are currently supported?
Squid currently has 1 actively supported version(s): 7.
When does Squid 7 reach end of life?
Squid 7 does not have a specific end-of-life date announced yet.
What should I do when Squid reaches end of life?
When a Squid version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.