Ubuntu Update for qt-x11-free vulnerability USN-495-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-495-1
Solution
Please Install the Updated Packages.
Insight
Several format string vulnerabilities have been discovered in Qt warning messages. By causing an application to process specially crafted input data which triggered Qt warnings, this could be exploited to execute arbitrary code with the privilege of the user running the application.
Affected
qt-x11-free vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04