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USN-5510-2: 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

USN-5510-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory 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 16.04

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

Related notices

  • USN-5510-1: xserver-xorg-legacy-hwe-18.04, xserver-xorg-core-hwe-18.04, xserver-xorg-legacy, xorg-server-source, xvfb, xserver-xorg-core, xwayland-hwe-18.04, xserver-xorg-xmir, xserver-common, xnest, xserver-xephyr-hwe-18.04, xmir, xorg-server-source-hwe-18.04, xserver-xorg-dev-hwe-18.04, xorg-server-hwe-18.04, xorg-server, xserver-xorg-dev, xdmx, xwayland, xdmx-tools, xserver-xephyr