Important for Apple MAC users who use "Mac OS X"...
This is from "Sophos"..
Boobytrapped images pose threat to Apple users
Users of Mac computers are being advised to install an important security patch, after Apple acknowledged that a serious flaw existed in its Mac OS X operating system that could be exploited by hackers. Discover more about the flaw and ensure that your Mac computers are properly defended.
http://www.sophos.com/blogs/gc/g/2009/08/06/boobytrapped-images