[USN-8364-1] Apache Commons Lang vulnerability

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==========================================================================
Ubuntu Security Notice USN-8364-1
June 02, 2026

libcommons-lang-java, libcommons-lang3-java vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Apache Commons Lang could be made to crash if it received specially crafted input.

Software Description:
- libcommons-lang-java: an extension of the java.lang package
- libcommons-lang3-java: an extension of the java.lang package

Details:

It was discovered that Apache Commons Lang incorrectly handled recursion
in the ClassUtils.getClass method. An attacker could possibly use this
issue to cause Apache Commons Lang to crash, resulting in a denial of
service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  libcommons-lang-java            2.6-10ubuntu0.1
  libcommons-lang3-java           3.14.0-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  libcommons-lang-java            2.6-9ubuntu0.22.04.1
  libcommons-lang3-java           3.11-1ubuntu0.1

Ubuntu 20.04 LTS
  libcommons-lang-java            2.6-9ubuntu0.20.04.1~esm1
                                  Available with Ubuntu Pro
  libcommons-lang3-java           3.8-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libcommons-lang-java            2.6-8ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  libcommons-lang3-java           3.8-1~18.04.2+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libcommons-lang-java            2.6-6ubuntu2+esm1
                                  Available with Ubuntu Pro
  libcommons-lang3-java           3.4-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libcommons-lang-java            2.6-3ubuntu2+esm1
                                  Available with Ubuntu Pro
  libcommons-lang3-java           3.2.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-8364-1
  CVE-2025-48924

Package Information:
  https://launchpad.net/ubuntu/+source/libcommons-lang-java/2.6-9ubuntu0.22.04.1
  https://launchpad.net/ubuntu/+source/libcommons-lang3-java/3.11-1ubuntu0.1
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