OpenSSL End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all OpenSSL versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 0.9.8 | 0.9.8zh | Jul 5, 2005 | Dec 31, 2015 | 3851 days past EOL | EOL |
| 1.0.0 | 1.0.0t | Mar 29, 2010 | Dec 31, 2015 | 3851 days past EOL | EOL |
| 1.0.1 | 1.0.1u | Mar 14, 2012 | Dec 31, 2016 | 3485 days past EOL | EOL |
| 1.0.2 LTS | 1.0.2u | Jan 22, 2015 | Dec 31, 2019 | 2390 days past EOL | EOL |
| 1.1.0 | 1.1.0l | Aug 25, 2016 | Sep 11, 2019 | 2501 days past EOL | EOL |
| 1.1.1 LTS | 1.1.1w | Sep 11, 2018 | Sep 11, 2023 | 1040 days past EOL | EOL |
| 3.0 LTS | 3.0.21 | Sep 7, 2021 | Sep 7, 2026 | 52 days remaining | Warning |
| 3.1 | 3.1.8 | Mar 14, 2023 | Mar 14, 2025 | 490 days past EOL | EOL |
| 3.2 | 3.2.6 | Nov 23, 2023 | Nov 23, 2025 | 236 days past EOL | EOL |
| 3.3 | 3.3.7 | Apr 9, 2024 | Apr 9, 2026 | 99 days past EOL | EOL |
| 3.4 | 3.4.6 | Oct 22, 2024 | Oct 22, 2026 | 97 days remaining | Warning |
| 3.5 LTS | 3.5.7 | Apr 8, 2025 | Apr 8, 2030 | 1361 days remaining | Active |
| 3.6 | 3.6.3 | Oct 1, 2025 | Nov 1, 2026 | 107 days remaining | Warning |
| 4.0 | 4.0.1 | Apr 14, 2026 | May 14, 2027 | 301 days remaining | Active |
What does OpenSSL end of life mean for your organization?
When a version of OpenSSL 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 OpenSSL 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 OpenSSL versions. This is a bridge, not a permanent solution — plan your migration in parallel.
OpenSSL has 9 versions past end of life — security patches have stopped, but CVE disclosures haven't. Tell us where to reach you and we'll match you with vetted extended-support providers for your stack. Free, no obligation.