USN-4656-2: X.Org X Server vulnerabilities

Releases

• Ubuntu 14.04 ESM

Packages

• xorg-server - X.Org X11 server

Details

USN-4656-1 fixed several vulnerabilities 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 XKB extension
incorrectly handled certain inputs. A local attacker could possibly use
this issue to escalate privileges.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04

• xserver-xorg-core - 2:1.15.1-0ubuntu2.11+esm3

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

• CVE-2020-25712
• CVE-2020-14360

Related notices

• USN-4656-1: xserver-xephyr-hwe-16.04, xnest, xserver-xorg-dev, xwayland-hwe-16.04, xwayland-hwe-18.04, xserver-xorg-dev-hwe-18.04, xserver-xorg-xmir, xorg-server-source-hwe-18.04, xorg-server-source, xserver-xorg-dev-hwe-16.04, xorg-server-source-hwe-16.04, xmir-hwe-16.04, xserver-xorg-core, xserver-xorg-legacy, xorg-server-hwe-16.04, xwayland, xserver-xorg-core-hwe-18.04, xserver-xorg-legacy-hwe-18.04, xserver-xorg-core-hwe-16.04, xserver-xorg-core-udeb, xdmx-tools, xorg-server, xserver-xephyr-hwe-18.04, xserver-xephyr, xserver-xorg-legacy-hwe-16.04, xmir, xdmx, xserver-common, xvfb, xorg-server-hwe-18.04