Came across this on the forums (https://forums.gentoo.org/viewtopic-t-556469.html), there's some DoS using animated gifs. http://www.securityfocus.com/bid/22899/info says it affects 2.0.0.2, but my 2.0.0.3 just crashed too. Reproducible: Always Steps to Reproduce:
Thx for the report. However we don't usually treat one time client crashes as security issues. Reassigning to mozilla.
This should be fixed upstream