Debian 4
This version has reached end of life and no longer receives updates.
April 8, 2007
Ongoing
February 15, 2010
4.0r9 (May 22, 2010)
About Debian 4
Debian 4 reached end of life over 16 years ago on February 15, 2010. It no longer receives security patches, bug fixes, or any form of official support. Running this version in production exposes your systems to unpatched vulnerabilities and growing incompatibility with modern libraries and tooling.
The recommended upgrade target is Debian 13. You are 2 major versions behind, so review the changelog for each version in between to catch any breaking changes. A staged upgrade through each major version is often safer than jumping directly.
Lifecycle Progress
This version reached end of life February 15, 2010.
All Debian Versions
| Version | Released | EOL | Latest | Status |
|---|---|---|---|---|
| 13 | August 9, 2025 | August 9, 2028 | 13.3 | Active |
| 12 | June 10, 2023 | June 10, 2026 | 12.13 | Active |
| 11 | August 14, 2021 | August 14, 2024 | 11.11 | End of Life |
| 10 | July 6, 2019 | September 10, 2022 | 10.13 | End of Life |
| 9 | June 17, 2017 | July 18, 2020 | 9.13 | End of Life |
| 8 | April 25, 2015 | June 17, 2018 | 8.11 | End of Life |
| 7 | May 4, 2013 | April 25, 2016 | 7.11 | End of Life |
| 6 | February 6, 2011 | May 31, 2014 | 6.0.10 | End of Life |
| 5 | February 14, 2009 | February 6, 2012 | 5.0.10 | End of Life |
| 4 (current page) | April 8, 2007 | February 15, 2010 | 4.0r9 | End of Life |
| 3.1 | June 6, 2005 | March 31, 2008 | 3.1r8 | End of Life |
| 3.0 | July 19, 2002 | June 30, 2006 | 3.0r6 | End of Life |
| 2.2 | August 15, 2000 | June 30, 2003 | 2.2r7 | End of Life |
| 2.1 | March 9, 1999 | September 30, 2000 | 2.1r5 | End of Life |
| 2.0 | July 24, 1998 | February 15, 1999 | 2.0r5 | End of Life |
| 1.3 | July 2, 1997 | December 8, 1998 | 1.3.1 r.6 | End of Life |
| 1.2 | December 12, 1996 | October 23, 1997 | 1.2 | End of Life |
| 1.1 | June 17, 1996 | December 12, 1996 | 1.1 | End of Life |
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