SLES End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all SLES versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 10.0 | — | Jul 17, 2006 | Dec 31, 2007 | 6749 days past EOL | EOL |
| 10.1 | — | Jun 18, 2007 | Nov 30, 2008 | 6414 days past EOL | EOL |
| 10.2 | — | May 19, 2008 | Apr 11, 2010 | 5917 days past EOL | EOL |
| 11.0 | — | Mar 24, 2009 | Dec 31, 2010 | 5653 days past EOL | EOL |
| 10.3 | — | Oct 12, 2009 | Oct 11, 2011 | 5369 days past EOL | EOL |
| 11.1 | — | Jun 2, 2010 | Aug 31, 2012 | 5044 days past EOL | EOL |
| 10.4 | — | Apr 12, 2011 | Jul 31, 2013 | 4710 days past EOL | EOL |
| 11.2 | — | Feb 29, 2012 | Jan 31, 2014 | 4526 days past EOL | EOL |
| 11.3 | — | Jul 1, 2013 | Jan 31, 2016 | 3796 days past EOL | EOL |
| 12.0 | — | Oct 27, 2014 | Jun 30, 2016 | 3645 days past EOL | EOL |
| 11.4 | — | Jul 15, 2015 | Mar 31, 2019 | 2641 days past EOL | EOL |
| 12.1 | — | Dec 15, 2015 | May 31, 2017 | 3310 days past EOL | EOL |
| 12.2 | — | Nov 8, 2016 | Mar 31, 2018 | 3006 days past EOL | EOL |
| 12.3 | — | Sep 7, 2017 | Jun 30, 2019 | 2550 days past EOL | EOL |
| 15.0 | — | Jul 16, 2018 | Dec 31, 2019 | 2366 days past EOL | EOL |
| 12.4 | — | Dec 12, 2018 | Jun 30, 2020 | 2184 days past EOL | EOL |
| 15.1 | — | Jun 24, 2019 | Jan 31, 2021 | 1969 days past EOL | EOL |
| 12.5 | — | Dec 9, 2019 | Oct 31, 2024 | 600 days past EOL | EOL |
| 15.2 | — | Jul 21, 2020 | Dec 31, 2021 | 1635 days past EOL | EOL |
| 15.3 | — | Jun 22, 2021 | Dec 31, 2022 | 1270 days past EOL | EOL |
| 15.4 | — | Jun 21, 2022 | Dec 31, 2023 | 905 days past EOL | EOL |
| 15.5 | — | Jun 20, 2023 | Dec 31, 2024 | 539 days past EOL | EOL |
| 15.6 | — | Jun 26, 2024 | Dec 31, 2025 | 174 days past EOL | EOL |
| 15.7 | — | Jun 17, 2025 | Jul 31, 2031 | 1864 days remaining | Active |
| 16.0 | — | Nov 4, 2025 | Nov 30, 2027 | 525 days remaining | Active |
What does SLES end of life mean for your organization?
When a version of SLES reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL SLES should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL SLES versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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