1. Ubuntu Security Notices
  2. USN-7208-1

USN-7208-1: Apache Commons BCEL vulnerability

Publication date

16 January 2025

Overview

Apache Commons BCEL could be made to crash or run programs if it received specially crafted network traffic.

Releases

Packages

  • bcel - Analyze, create, and manipulate (binary) Java class files

Details

Felix Wilhelm discovered that Apache Commons BCEL APIs
incorrectly handled parameters due to a memory issue. An
attacker supplying malicious input could exploit this to
generate and execute arbitrary bytecode.

Felix Wilhelm discovered that Apache Commons BCEL APIs
incorrectly handled parameters due to a memory issue. An
attacker supplying malicious input could exploit this to
generate and execute arbitrary bytecode.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy libbcel-java –  6.5.0-1ubuntu0.1
20.04 focal libbcel-java –  6.4.1-1ubuntu0.1~esm1  
18.04 bionic libbcel-java –  6.2-1ubuntu0.1~esm1  
16.04 xenial libbcel-java –  6.0~rc3-2ubuntu1+esm1  

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References

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