- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2869-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
December 29, 2021                             https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : xorg-server
Version        : 2:1.19.2-1+deb9u9
CVE ID         : CVE-2021-4008 CVE-2021-4009 CVE-2021-4011


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 Debian 9 stretch, these problems have been fixed in version
2:1.19.2-1+deb9u9.

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/source-package/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

Debian LTS: DLA-2869-1: xorg-server security update

December 29, 2021
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 privil...

Summary

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 Debian 9 stretch, these problems have been fixed in version
2:1.19.2-1+deb9u9.

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/source-package/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



Severity
Package : xorg-server
Version : 2:1.19.2-1+deb9u9
CVE ID : CVE-2021-4008 CVE-2021-4009 CVE-2021-4011

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