If you haven't upgraded your Firefox to version 3.6.2 then you need to. It is a fix to the previous addition which left loop holes and vulnerability. You can get the update here: Firefox 3.6.2
The vulnerability could potentially allow an attacker to “crash a victim’s browser and execute arbitrary code on his/her system.” according to Mozilla
Atleast with this update I didn't have any issues like I did in the past with the last update.
ooops, I've been putting this off, will make sure to do it later today. Thanks for the info!
I was surfing for browsers and came across this one called Spicebird and it really looks interesting. They don't have a mac version yet but it has been requested. I might download it for my pc and see how it works.