USN-3362-1: X.Org X server vulnerabilities Ubuntu Security Notice USN-3362-1 24th July, 2017 xorg-server, xorg-server-hwe-16.04, xorg-server-lts-xenial vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in the X.Org X server. Software description xorg-server – X.Org X11 server xorg-server-hwe-16.04 – X.Org X11 server xorg-server-lts-xenial – X.Org X11 server Details It was discovered that the X.Org X server incorrectly handled endiannessconversion of certain X events. An attacker able to connect to an X server,either locally or remotely, could use this issue to crash the server, orpossibly execute arbitrary code as an administrator. (CVE-2017-10971) It was discovered that the X.Org X server incorrectly handled endiannessconversion of certain X events. An attacker able to connect to an X server,either locally or remotely, could use this issue to possibly [ more… ]