1. Ubuntu Security Notices
  2. USN-5638-4

USN-5638-4: Expat vulnerabilities

Publication date

28 February 2023

Overview

Expat could be made to crash or execute arbitrary code.

Releases

Packages

  • expat - XML parsing C library

Details

USN-5638-1 fixed several vulnerabilities in Expat. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory 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.

USN-5638-1 fixed several vulnerabilities in Expat. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory 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.

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
14.04 trusty expat –  2.1.0-4ubuntu1.4+esm7  
libexpat1 –  2.1.0-4ubuntu1.4+esm7  

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References

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