Security Information / 2021 / Security Information -- DSA-5027-1 xorg-server

Debian Security Advisory

DSA-5027-1 xorg-server -- security update

Date Reported:

21 Dec 2021

Affected Packages:

xorg-server

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2021-4008, CVE-2021-4009, CVE-2021-4010, CVE-2021-4011.

More information:

Jan-Niklas Sohn discovered that multiple input validation failures in X server extensions of the X.org X server may result in privilege escalation if the X server is running privileged.

For the oldstable distribution (buster), these problems have been fixed in version 2:1.20.4-1+deb10u4.

For the stable distribution (bullseye), these problems have been fixed in version 2:1.20.11-1+deb11u1.

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