1. Ubuntu Security Notices
  2. USN-5288-1

USN-5288-1: Expat vulnerabilities

Publication date

21 February 2022

Overview

Several security issues were fixed in Expat.

Releases

Packages

  • expat - XML parsing C library

Details

It was discovered that Expat incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash or
execute arbitrary code.

It was discovered that Expat incorrectly handled certain 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
21.10 impish libexpat1 –  2.4.1-2ubuntu0.1
20.04 focal libexpat1 –  2.2.9-1ubuntu0.2
18.04 bionic libexpat1 –  2.2.5-3ubuntu0.4
16.04 xenial libexpat1 –  2.1.0-7ubuntu0.16.04.5+esm2  
lib64expat1 –  2.1.0-7ubuntu0.16.04.5+esm2  
14.04 trusty libexpat1 –  2.1.0-4ubuntu1.4+esm4  
lib64expat1 –  2.1.0-4ubuntu1.4+esm4  

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References

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