1. Ubuntu Security Notices
  2. USN-2436-1

USN-2436-1: X.Org X server vulnerabilities

Publication date

9 December 2014

Overview

Several security issues were fixed in the X.Org X server.

Releases

Packages

Details

Ilja van Sprundel discovered a multitude of security issues in the X.Org X
server. An attacker able to connect to an X server, either locally or
remotely, could use these issues to cause the X server to crash or execute
arbitrary code resulting in possible privilege escalation.

Ilja van Sprundel discovered a multitude of security issues in the X.Org X
server. An attacker able to connect to an X server, either locally or
remotely, could use these issues to cause the X server to crash or execute
arbitrary code resulting in possible privilege escalation.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.10 utopic xserver-xorg-core –  2:1.16.0-1ubuntu1.1
14.04 trusty xserver-xorg-core –  2:1.15.1-0ubuntu2.4
12.04 precise xserver-xorg-core –  2:1.11.4-0ubuntu10.15
xserver-xorg-core-lts-trusty –  2:1.15.1-0ubuntu2~precise3

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References

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