Ubuntu Update for Linux kernel vulnerabilities USN-513-1

Please Install the Updated Packages.

Dirk Mueller discovered that UTF8 strings could be made to cause a small buffer overflow. A remote attacker could exploit this by sending specially crafted strings to applications that use the Qt3 library for UTF8 processing, potentially leading to arbitrary code execution with user privileges, or a denial of service.

qt-x11-free vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04