Ubuntu 18.04 LTS / 20.04 LTS : X.Org X Server vulnerabilities (USN-5193-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5193-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server t...