Debian Security Advisory

DLA-3185-1 xorg-server -- LTS security update

Date Reported:
10 Nov 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-3550, CVE-2022-3551.
More information:

Two vulnerabilities were found in the Xkb extension of the 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:

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