Mandriva Linux Security Advisory 2009-217-2 – A number of security vulnerabilities have been discovered in Mozilla Thunderbird. The previous mozilla-thunderbird-moztraybiff packages had the wrong release which prevented it to be upgraded. The new packages addresses this problem.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81880/MDVSA-2009-217-2.txt
Source: https://packetstormsecurity.com/files/81880/Mandriva-Linux-Security-Advisory-2009-217.html