A xorg-server security update has been released for Debian GNU/Linux 10 LTS to address two vulnerabilities.

DLA 3185-1: xorg-server security update

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Debian LTS Advisory DLA-3185-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
November 10, 2022   https://wiki.debian.org/LTS
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Package : xorg-server
Version : 2:1.20.4-1+deb10u6
CVE ID : CVE-2022-3550 CVE-2022-3551

Two vulnerabilities were found in the Xkb extension of the X.org X server,
which could result in denial of service or possibly 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+deb10u6.

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