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USN-2436-2: X.Org X server vulnerabilities

10 December 2014

USN-2436-1 contained incomplete fixes for the X.Org X server.

Releases

Packages

Details

USN-2436-1 fixed vulnerabilities in the X.Org X server. Since publication,
additional fixes have been made available for these issues. This update
adds the additional fixes.

Original advisory 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.

Update instructions

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

Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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