In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "xdmx", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xdmx-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xdmx-tools", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xdmx-tools-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xnest", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xorg-server-source", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-common", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xephyr", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-core-dbg", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-core-udeb", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-core-udeb-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-dev-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-xmir", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xserver-xorg-xmir-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xvfb", "binary_version": "2:1.15.1-0ubuntu2.10" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:1.15.1-0ubuntu2.10" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "xorg-server-source-lts-xenial", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xephyr-lts-xenial", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xephyr-lts-xenial-dbgsym", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xorg-core-lts-xenial", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xorg-core-lts-xenial-dbg", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xorg-core-lts-xenial-dbgsym", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xserver-xorg-dev-lts-xenial", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xwayland-lts-xenial", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" }, { "binary_name": "xwayland-lts-xenial-dbgsym", "binary_version": "2:1.18.3-1ubuntu2.3~trusty3" } ], "ubuntu_priority": "medium" }
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{ "availability": "No subscription required", "binaries": [ { "binary_name": "xmir-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xmir-hwe-16.04-dbgsym", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xorg-server-source-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xephyr-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xephyr-hwe-16.04-dbgsym", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-core-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-core-hwe-16.04-dbg", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-core-hwe-16.04-dbgsym", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-dev-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-legacy-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xserver-xorg-legacy-hwe-16.04-dbgsym", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xwayland-hwe-16.04", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" }, { "binary_name": "xwayland-hwe-16.04-dbgsym", "binary_version": "2:1.19.3-1ubuntu1~16.04.3" } ], "ubuntu_priority": "medium" }