Thunderbird 2.0.0.16 is out

http://www.mozilla.com/en-US/thunderbird/

Fixed in Thunderbird 2.0.0.16
MFSA 2008-34 Remote code execution by overflowing CSS reference counter
MFSA 2008-33 Crash and remote code execution in block reflow
MFSA 2008-31 Peer-trusted certs can use alt names to spoof
MFSA 2008-29 Faulty .properties file results in uninitialized memory being used
MFSA 2008-26 Buffer length checks in MIME processing
MFSA 2008-25 Arbitrary code execution in mozIJSSubScriptLoader.loadSubScript()
MFSA 2008-24 Chrome script loading from fastload file
MFSA 2008-21 Crashes with evidence of memory corruption (rv:1.8.1.15)

I got it via an incremental update of a bit over 600Kb

 

Installed via auto-update, no problems.
My risks are offset by layered data backups (auto) and manual images.

 

Now update to V3!

 

That's Version 3.0a1, which is alpha, and certainly not for end users. These versions are for developers. Mozilla says this about 3.0a1:

 

My error, I read the forum heading and thought Firefox, not Thunderbird.