USN-5778-2: X.Org X Server vulnerabilities
16 February 2023
Several security issues were fixed in X.Org X Server.
Releases
Packages
- xorg-server - X.Org X11 server
- xorg-server-hwe-16.04 - X.Org X11 server
Details
USN-5778-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Jan-Niklas Sohn discovered that X.Org X Server extensions contained
multiple security issues. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
privileges.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
xwayland
-
2:1.18.4-0ubuntu0.12+esm5
Available with Ubuntu Pro
-
xserver-xorg-core
-
2:1.18.4-0ubuntu0.12+esm5
Available with Ubuntu Pro
-
xserver-xorg-core-hwe-16.04
-
2:1.19.6-1ubuntu4.1~16.04.6+esm4
Available with Ubuntu Pro
-
xwayland-hwe-16.04
-
2:1.19.6-1ubuntu4.1~16.04.6+esm4
Available with Ubuntu Pro
Ubuntu 14.04
-
xserver-xorg-core
-
2:1.15.1-0ubuntu2.11+esm7
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make all
the necessary changes.
Related notices
- USN-5778-1: xserver-xorg-xmir, xserver-xorg-core, xserver-xorg-legacy, xmir, xserver-xorg-dev, xserver-xorg-core-hwe-18.04, xwayland-hwe-18.04, xserver-xorg-dev-hwe-18.04, xdmx-tools, xserver-common, xserver-xorg-legacy-hwe-18.04, xorg-server-source-hwe-18.04, xorg-server-source, xdmx, xorg-server-hwe-18.04, xserver-xephyr-hwe-18.04, xnest, xorg-server, xwayland, xvfb, xserver-xephyr
- USN-5846-1: xserver-xorg-xmir, xserver-xorg-core, xserver-xorg-legacy, xmir, xserver-xorg-dev, xserver-xorg-core-hwe-18.04, xwayland-hwe-18.04, xserver-xorg-dev-hwe-18.04, xdmx-tools, xserver-common, xserver-xorg-legacy-hwe-18.04, xorg-server-source-hwe-18.04, xorg-server-source, xdmx, xorg-server-hwe-18.04, xserver-xephyr-hwe-18.04, xnest, xorg-server, xwayland, xvfb, xserver-xephyr