1. Ubuntu Security Notices
  2. USN-5638-1

USN-5638-1: Expat vulnerability

Publication date

26 September 2022

Overview

Expat could be made to crash or execute arbitrary code.

Releases

Packages

  • expat - XML parsing C library

Details

Rhodri James discovered that Expat incorrectly handled memory when
processing certain malformed XML files. An attacker could possibly
use this issue to cause a crash or execute arbitrary code.

Rhodri James discovered that Expat incorrectly handled memory when
processing certain malformed XML files. An attacker could possibly
use this issue to cause a crash or execute arbitrary code.

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
16.04 xenial expat –  2.1.0-7ubuntu0.16.04.5+esm6  
libexpat1 –  2.1.0-7ubuntu0.16.04.5+esm6  
lib64expat1 –  2.1.0-7ubuntu0.16.04.5+esm6  

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References

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