USN-4656-2: X.Org X Server vulnerabilities
7 December 2020
Several security issues were fixed in X.Org X Server.
Releases
Packages
- xorg-server - X.Org X11 server
Details
USN-4656-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server XKB extension
incorrectly handled certain inputs. A local attacker could possibly use
this issue to escalate privileges.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
After a standard system update you need to reboot your computer to make all
the necessary changes.