1. Ubuntu Security Notices
  2. USN-514-1

USN-514-1: X.org vulnerability

Publication date

18 September 2007

Overview

X.org vulnerability

Releases

Packages

Details

Aaron Plattner discovered that the Composite extension did not correctly
calculate the size of buffers when copying between different bit depths.
An authenticated user could exploit this to execute arbitrary code with
root privileges.

Aaron Plattner discovered that the Composite extension did not correctly
calculate the size of buffers when copying between different bit depths.
An authenticated user could exploit this to execute arbitrary code with
root privileges.

Update instructions

After a standard system upgrade you need to restart your session to effect 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
6.06 dapper xserver-xorg-core –  1:1.0.2-0ubuntu10.7

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References

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