USN-4905-1 fixed a vulnerability 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 incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code.
{ "binaries": [ { "binary_name": "xdmx", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xdmx-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xdmx-tools", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xdmx-tools-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xnest", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xorg-server-source", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-common", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xephyr", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-core-dbg", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-core-udeb", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-core-udeb-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-dev-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-xmir", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xserver-xorg-xmir-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xvfb", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.11+esm4" } ], "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro" }