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Apache Log4j

Active
Libraries & SDKs Latest Version: 2.26.0 Latest Release: May 2, 2026

Apache Log4j is a Java-based logging framework widely used for application logging and diagnostics.

Versions

4

Latest Version

2.26.0

Active Support

1

EOL

3

Lifecycle Timeline

Today
2
2
2.12
2.12
2.3
2.3
1
1
Active SupportSecurity SupportEOL

Versions

ReleaseRelease DateActive SupportEOLLatest VersionLTSStatus
2Jul 12, 2014YesNo2.26.0No
Active
2.12Jun 26, 2019NoDec 14, 20212.12.4No
EOL
2.3May 10, 2015NoSep 20, 20152.3.2No
EOL
1Jan 8, 2001NoOct 15, 20151.2.17No
EOL

Frequently Asked Questions

Which versions of Apache Log4j have reached end of life?
The following Apache Log4j versions have reached end of life and no longer receive security updates: 2.12, 2.3, 1. It is recommended to upgrade to a supported version.
Is it safe to continue using Apache Log4j 2.12?
Apache Log4j 2.12 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 Apache Log4j?
The latest version of Apache Log4j is 2.26.0, released in the 2 release cycle.
How many versions of Apache Log4j are currently supported?
Apache Log4j currently has 1 actively supported version(s): 2.
When does Apache Log4j 2 reach end of life?
Apache Log4j 2 does not have a specific end-of-life date announced yet.
What should I do when Apache Log4j reaches end of life?
When a Apache Log4j 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.