USN-6555-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377)
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xdmx" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xdmx-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xdmx-tools" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xdmx-tools-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xmir" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xmir-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xnest" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xnest-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xorg-server-source" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-common" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xephyr" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xephyr-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-core" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-core-dbg" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-core-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-core-udeb" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-core-udeb-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-dev" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-legacy" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-legacy-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xserver-xorg-xmir" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xvfb" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xvfb-dbgsym" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xwayland" }, { "binary_version": "2:1.18.4-0ubuntu0.12+esm8", "binary_name": "xwayland-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xdmx" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xdmx-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xdmx-tools" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xdmx-tools-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xmir" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xmir-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xnest" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xnest-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xorg-server-source" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-common" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xephyr" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xephyr-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-core" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-core-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-core-udeb" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-dev" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-legacy" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-legacy-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xserver-xorg-xmir" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xvfb" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xvfb-dbgsym" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xwayland" }, { "binary_version": "2:1.19.6-1ubuntu4.15+esm3", "binary_name": "xwayland-dbgsym" } ] }