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==========================================================================
Ubuntu Security Notice USN-7208-1
January 16, 2025
bcel vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Apache Commons BCEL could be made to crash or run programs
if it received specially crafted network traffic.
Software Description:
- 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
libbcel-java 6.5.0-1ubuntu0.1
Ubuntu 20.04 LTS
libbcel-java 6.4.1-1ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
libbcel-java 6.2-1ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
libbcel-java 6.0~rc3-2ubuntu1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7208-1
CVE-2022-42920
Package Information:
https://launchpad.net/ubuntu/+source/bcel/6.5.0-1ubuntu0.1
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