USN-4040-1: Expat vulnerability
expat vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Expat could be made to consume a high amount of RAM and CPU resources
if it received a specially crafted XML file.
Software Description
- expat – XML parsing C library
Details
It was discovered that Expat incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- libexpat1 – 2.2.6-1ubuntu0.19.04
- Ubuntu 18.10
- libexpat1 – 2.2.6-1ubuntu0.18.10
- Ubuntu 18.04 LTS
- libexpat1 – 2.2.5-3ubuntu0.1
- Ubuntu 16.04 LTS
- lib64expat1 – 2.1.0-7ubuntu0.16.04.4
- libexpat1 – 2.1.0-7ubuntu0.16.04.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4040-1: Expat vulnerability
