A xorg-server security update has been released for Debian GNU/Linux 10 LTS to address several vulnerabilities that may result in privilege escalation if the X server is running privileged.

DLA 3256-1: xorg-server security update

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Debian LTS Advisory DLA-3256-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Thorsten Alteholz
December 31, 2022   https://wiki.debian.org/LTS
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Package : xorg-server
Version : 2:1.20.4-1+deb10u7
CVE ID : CVE-2022-4283 CVE-2022-46340 CVE-2022-46341
CVE-2022-46342 CVE-2022-46343 CVE-2022-46344

Jan-Niklas Sohn discovered several vulnerabilities in X server extensions
in the X.Org X server, which may result in privilege escalation if the X
server is running privileged.

For Debian 10 buster, these problems have been fixed in version
2:1.20.4-1+deb10u7.

We recommend that you upgrade your xorg-server packages.

For the detailed security status of xorg-server please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/xorg-server

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS