“Thunderbird 1.0.5 is a security and stability update that is part of our ongoing program to provide a safe Internet experience for our customers. We recommend that all users upgrade to this latest version. The Mozilla Foundation provides Thunderbird for Windows, Linux, and Mac OS X.”
It sure has been a while since Mozilla last released an update for Thunderbird, but what the heck, better late than never! 😉
If you use SUSE Linux Professional, you can find updated RPMs at ftp.suse.com