USN-5740-1: X.Org X Server vulnerabilities

Publication date

23 November 2022

Overview

Several security issues were fixed in X.Org X Server.


Packages

Details

It was discovered that X.Org X Server incorrectly handled certain inputs.
An attacker could use these issues to cause the server to crash, resulting
in a denial of service, or possibly execute arbitrary code.

It was discovered that X.Org X Server incorrectly handled certain inputs.
An attacker could use these issues to cause the server to crash, resulting
in a denial of service, or possibly execute arbitrary code.

Update instructions

After a standard system update you need to reboot your computer to 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
22.10 kinetic xserver-xorg-core –  2:21.1.4-2ubuntu1.1
xwayland –  2:22.1.3-2ubuntu0.1
22.04 jammy xserver-xorg-core –  2:21.1.3-2ubuntu2.3
xwayland –  2:22.1.1-1ubuntu0.3
20.04 focal xserver-xorg-core –  2:1.20.13-1ubuntu1~20.04.4
xwayland –  2:1.20.13-1ubuntu1~20.04.4
18.04 bionic xserver-xorg-core –  2:1.19.6-1ubuntu4.12
xwayland –  2:1.19.6-1ubuntu4.12
xserver-xorg-core-hwe-18.04 –  2:1.20.8-2ubuntu2.2~18.04.8
16.04 xenial xwayland –  2:1.18.4-0ubuntu0.12+esm4  
xserver-xorg-core –  2:1.18.4-0ubuntu0.12+esm4  
xserver-xorg-core-hwe-16.04 –  2:1.19.6-1ubuntu4.1~16.04.6+esm3  
14.04 trusty xserver-xorg-core –  2:1.15.1-0ubuntu2.11+esm6  

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.


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