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USN-5510-1: X.Org X Server vulnerabilities

12 July 2022

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

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Releases

Packages

Details

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain inputs. An attacker could use this issue to cause the server to
crash, resulting in a denial of service, or possibly execute arbitrary
code and escalate privileges.

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.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04
Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

After a standard system update you need to reboot your computer to make all
the necessary changes.

Related notices

  • USN-5510-2: xorg-server-hwe-16.04, xorg-server-source, xnest, xserver-xephyr-hwe-16.04, xserver-xorg-dev-hwe-16.04, xwayland-hwe-16.04, xserver-xorg-xmir, xserver-xorg-core, xmir, xserver-xorg-legacy-hwe-16.04, xwayland, xdmx, xorg-server-source-hwe-16.04, xserver-common, xdmx-tools, xorg-server, xvfb, xserver-xorg-core-hwe-16.04, xserver-xephyr, xserver-xorg-legacy, xmir-hwe-16.04, xserver-xorg-dev