A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "xvfb": "2:1.15.1-0ubuntu2.11+esm2", "xdmx": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-core-dbg": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-core-udeb-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xdmx-tools-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-dev": "2:1.15.1-0ubuntu2.11+esm2", "xorg-server-source": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-core": "2:1.15.1-0ubuntu2.11+esm2", "xserver-common": "2:1.15.1-0ubuntu2.11+esm2", "xnest-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xnest": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xephyr": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-xmir": "2:1.15.1-0ubuntu2.11+esm2", "xdmx-tools": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-dev-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-core-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xephyr-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xdmx-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xvfb-dbgsym": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-core-udeb": "2:1.15.1-0ubuntu2.11+esm2", "xserver-xorg-xmir-dbgsym": "2:1.15.1-0ubuntu2.11+esm2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "xvfb": "2:1.18.4-0ubuntu0.9", "xserver-xorg-legacy": "2:1.18.4-0ubuntu0.9", "xdmx": "2:1.18.4-0ubuntu0.9", "xserver-xorg-core-dbg": "2:1.18.4-0ubuntu0.9", "xserver-xorg-core-udeb-dbgsym": "2:1.18.4-0ubuntu0.9", "xdmx-tools-dbgsym": "2:1.18.4-0ubuntu0.9", "xserver-xorg-dev": "2:1.18.4-0ubuntu0.9", "xnest-dbgsym": "2:1.18.4-0ubuntu0.9", "xserver-xorg-core": "2:1.18.4-0ubuntu0.9", "xserver-common": "2:1.18.4-0ubuntu0.9", "xwayland-dbgsym": "2:1.18.4-0ubuntu0.9", "xnest": "2:1.18.4-0ubuntu0.9", "xserver-xephyr": "2:1.18.4-0ubuntu0.9", "xserver-xorg-xmir": "2:1.18.4-0ubuntu0.9", "xdmx-tools": "2:1.18.4-0ubuntu0.9", "xmir-dbgsym": "2:1.18.4-0ubuntu0.9", "xwayland": "2:1.18.4-0ubuntu0.9", "xorg-server-source": "2:1.18.4-0ubuntu0.9", "xserver-xorg-core-dbgsym": "2:1.18.4-0ubuntu0.9", "xmir": "2:1.18.4-0ubuntu0.9", "xserver-xephyr-dbgsym": "2:1.18.4-0ubuntu0.9", "xdmx-dbgsym": "2:1.18.4-0ubuntu0.9", "xvfb-dbgsym": "2:1.18.4-0ubuntu0.9", "xserver-xorg-legacy-dbgsym": "2:1.18.4-0ubuntu0.9", "xserver-xorg-core-udeb": "2:1.18.4-0ubuntu0.9" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "xserver-xorg-dev-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xorg-server-source-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xmir-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xorg-legacy-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xwayland-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xephyr-hwe-16.04-dbgsym": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xorg-core-hwe-16.04-dbgsym": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xorg-core-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xorg-legacy-hwe-16.04-dbgsym": "2:1.19.6-1ubuntu4.1~16.04.3", "xserver-xephyr-hwe-16.04": "2:1.19.6-1ubuntu4.1~16.04.3", "xmir-hwe-16.04-dbgsym": "2:1.19.6-1ubuntu4.1~16.04.3", "xwayland-hwe-16.04-dbgsym": "2:1.19.6-1ubuntu4.1~16.04.3" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "xvfb": "2:1.19.6-1ubuntu4.5", "xserver-xorg-legacy": "2:1.19.6-1ubuntu4.5", "xdmx": "2:1.19.6-1ubuntu4.5", "xdmx-tools-dbgsym": "2:1.19.6-1ubuntu4.5", "xserver-xorg-dev": "2:1.19.6-1ubuntu4.5", "xnest-dbgsym": "2:1.19.6-1ubuntu4.5", "xserver-xorg-core": "2:1.19.6-1ubuntu4.5", "xserver-common": "2:1.19.6-1ubuntu4.5", "xwayland-dbgsym": "2:1.19.6-1ubuntu4.5", "xnest": "2:1.19.6-1ubuntu4.5", "xserver-xephyr": "2:1.19.6-1ubuntu4.5", "xserver-xorg-xmir": "2:1.19.6-1ubuntu4.5", "xdmx-tools": "2:1.19.6-1ubuntu4.5", "xmir-dbgsym": "2:1.19.6-1ubuntu4.5", "xwayland": "2:1.19.6-1ubuntu4.5", "xorg-server-source": "2:1.19.6-1ubuntu4.5", "xserver-xorg-core-dbgsym": "2:1.19.6-1ubuntu4.5", "xmir": "2:1.19.6-1ubuntu4.5", "xserver-xephyr-dbgsym": "2:1.19.6-1ubuntu4.5", "xdmx-dbgsym": "2:1.19.6-1ubuntu4.5", "xvfb-dbgsym": "2:1.19.6-1ubuntu4.5", "xserver-xorg-legacy-dbgsym": "2:1.19.6-1ubuntu4.5", "xserver-xorg-core-udeb": "2:1.19.6-1ubuntu4.5" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "xorg-server-source-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xephyr-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xorg-core-hwe-18.04-dbgsym": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xorg-legacy-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xorg-dev-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xephyr-hwe-18.04-dbgsym": "2:1.20.8-2ubuntu2.2~18.04.2", "xwayland-hwe-18.04-dbgsym": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xorg-core-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2", "xserver-xorg-legacy-hwe-18.04-dbgsym": "2:1.20.8-2ubuntu2.2~18.04.2", "xwayland-hwe-18.04": "2:1.20.8-2ubuntu2.2~18.04.2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "xvfb": "2:1.20.8-2ubuntu2.3", "xserver-xorg-legacy": "2:1.20.8-2ubuntu2.3", "xdmx": "2:1.20.8-2ubuntu2.3", "xdmx-tools-dbgsym": "2:1.20.8-2ubuntu2.3", "xserver-xorg-dev": "2:1.20.8-2ubuntu2.3", "xorg-server-source": "2:1.20.8-2ubuntu2.3", "xserver-xorg-core": "2:1.20.8-2ubuntu2.3", "xserver-common": "2:1.20.8-2ubuntu2.3", "xwayland-dbgsym": "2:1.20.8-2ubuntu2.3", "xnest": "2:1.20.8-2ubuntu2.3", "xserver-xephyr": "2:1.20.8-2ubuntu2.3", "xwayland": "2:1.20.8-2ubuntu2.3", "xdmx-tools": "2:1.20.8-2ubuntu2.3", "xnest-dbgsym": "2:1.20.8-2ubuntu2.3", "xserver-xorg-core-dbgsym": "2:1.20.8-2ubuntu2.3", "xserver-xephyr-dbgsym": "2:1.20.8-2ubuntu2.3", "xdmx-dbgsym": "2:1.20.8-2ubuntu2.3", "xvfb-dbgsym": "2:1.20.8-2ubuntu2.3", "xserver-xorg-legacy-dbgsym": "2:1.20.8-2ubuntu2.3", "xserver-xorg-core-udeb": "2:1.20.8-2ubuntu2.3" } ] }