Ubuntu Update for Linux kernel vulnerabilities USN-1020-1

Please Install the Updated Packages.

Jesse Ruderman, Andreas Gal, Nils, Brian Hackett, and Igor Bukanov discovered several memory issues in the browser engine. An attacker could exploit these to crash THunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-3776, CVE-2010-3777, CVE-2010-3778) Marc Schoenefeld and Christoph Diehl discovered several problems when handling downloadable fonts. The new OTS font sanitizing library was added to mitigate these issues. (CVE-2010-3768)

Thunderbird vulnerabilities on Ubuntu 10.04 LTS , Ubuntu 10.10