1. Ubuntu Security Notices
  2. USN-4132-1

USN-4132-1: Expat vulnerability

Publication date

12 September 2019

Overview

Expat could be made to expose sensitive information if it received a specially crafted XML file.

Releases

Packages

  • expat - XML parsing C library

Details

It was discovered that Expat incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.

It was discovered that Expat incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.

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
19.04 disco libexpat1 –  2.2.6-1ubuntu0.19.5
18.04 bionic libexpat1 –  2.2.5-3ubuntu0.2
16.04 xenial lib64expat1 –  2.1.0-7ubuntu0.16.04.5
libexpat1 –  2.1.0-7ubuntu0.16.04.5

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›