Packages
- xorg-server - X.Org X11 server
- xorg-server-hwe-18.04 - X.Org X11 server
- xwayland - Xwayland X server
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.
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.
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 | ||
|---|---|---|---|
| 22.04 jammy | xserver-xorg-core – 2:21.1.3-2ubuntu2.1 | ||
| xwayland – 2:22.1.1-1ubuntu0.1 | |||
| 21.10 impish | xserver-xorg-core – 2:1.20.13-1ubuntu1.2 | ||
| xwayland – 2:21.1.2-0ubuntu1.2 | |||
| 20.04 focal | xserver-xorg-core – 2:1.20.13-1ubuntu1~20.04.3 | ||
| xwayland – 2:1.20.13-1ubuntu1~20.04.3 | |||
| 18.04 bionic | xserver-xorg-core – 2:1.19.6-1ubuntu4.11 | ||
| xwayland – 2:1.19.6-1ubuntu4.11 | |||
| xwayland-hwe-18.04 – 2:1.20.8-2ubuntu2.2~18.04.7 | |||
| xserver-xorg-core-hwe-18.04 – 2:1.20.8-2ubuntu2.2~18.04.7 | |||
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.