Critical Mozilla, Thunderbird Vulnerabilities

d3ik writes "An advisory has been issued on several buffer overflow exploits in the Mozilla and Thunderbird code. Coincidentally, one of the exploits takes advantage of a unchecked buffer in the bitmap parser, very similar to recent Microsoft JPEG vulnerability. The good news is that if you have an updated version (Mozilla 1.7.3, Firefox 1.0PR, Thunderbird 0.8) you won't be affected."