Debian Security Advisory

DSA-5380-1 xorg-server -- security update

Date Reported:
29 Mar 2023
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2023-1393.
More information:

Jan-Niklas Sohn discovered that a user-after-free flaw in the Composite extension of the X server may result in privilege escalation if the X server is running under the root user.

For the stable distribution (bullseye), this problem has been fixed in version 2:1.20.11-1+deb11u6.

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: