Ubuntu Update for libpng vulnerabilities USN-538-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-538-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that libpng did not properly perform bounds checking and comparisons in certain operations. An attacker could send a specially crafted PNG image and cause a denial of service in applications linked against libpng.
Affected
libpng vulnerabilities on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04 , Ubuntu 7.10
References