EOL.Wiki EOL.Wiki
← ← Back to all products

OpenSSL

Active
Security & Networking Latest Version: 4.0.1 Latest Release: Jun 9, 2026

OpenSSL is a robust, full-featured toolkit for TLS/SSL protocols and general-purpose cryptography.

Versions

14

Latest Version

4.0.1

Active Support

5

EOL

9

Lifecycle Timeline

Today
4.0
4.0
3.6
3.6
3.5
3.5
3.4
3.4
3.3
3.3
3.2
3.2
3.1
3.1
3.0
3.0
1.1.1
1.1.1
1.1.0
1.1.0
Active SupportSecurity SupportEOL

Versions

ReleaseRelease DateActive SupportEOLLatest VersionLTSStatus
4.0Apr 14, 2026YesMay 14, 20274.0.1No
Active
3.6Oct 1, 2025YesNov 1, 20263.6.3No
Active
3.5Apr 8, 2025YesApr 8, 20303.5.7
Yes
Active
3.4Oct 22, 2024YesOct 22, 20263.4.6No
Active
3.3Apr 9, 2024NoApr 9, 20263.3.7No
EOL
3.2Nov 23, 2023NoNov 23, 20253.2.6No
EOL
3.1Mar 14, 2023NoMar 14, 20253.1.8No
EOL
3.0Sep 7, 2021YesSep 7, 20263.0.21
Yes
Active
1.1.1Sep 11, 2018NoSep 11, 20231.1.1w
Yes
EOL
1.1.0Aug 25, 2016NoSep 11, 20191.1.0lNo
EOL
1.0.2Jan 22, 2015NoDec 31, 20191.0.2u
Yes
EOL
1.0.1Mar 14, 2012NoDec 31, 20161.0.1uNo
EOL
1.0.0Mar 29, 2010NoDec 31, 20151.0.0tNo
EOL
0.9.8Jul 5, 2005NoDec 31, 20150.9.8zhNo
EOL

Frequently Asked Questions

Which versions of OpenSSL have reached end of life?
The following OpenSSL versions have reached end of life and no longer receive security updates: 3.3, 3.2, 3.1, 1.1.1, 1.1.0, 1.0.2, 1.0.1, 1.0.0 (and 1 more). It is recommended to upgrade to a supported version.
Is it safe to continue using OpenSSL 3.3?
OpenSSL 3.3 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 OpenSSL?
The latest version of OpenSSL is 4.0.1, released in the 4.0 release cycle.
How many versions of OpenSSL are currently supported?
OpenSSL currently has 5 actively supported version(s): 4.0, 3.6, 3.5, 3.4, 3.0.
When does OpenSSL 4.0 reach end of life?
OpenSSL 4.0 is scheduled to reach end of life on May 14, 2027.
What should I do when OpenSSL reaches end of life?
When a OpenSSL 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.