USN-5986-1: X.Org X Server vulnerability
29 March 2023
X.Org X Server could be made to crash or run programs as the administrator if it received specially crafted input.
- xorg-server - X.Org X11 server
- xorg-server-hwe-18.04 - X.Org X11 server
- xwayland - X server for running X clients under Wayland
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain memory operations. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
The problem can be corrected by updating your system to the following package versions:
After a standard system update you need to reboot your computer to make
all the necessary changes.