Ubuntu 16.04 LTS / 18.04 LTS : X.Org X Server vulnerabilities (USN-7299-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7299-2 advisory. USN-7299-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...