Only a matter of time until one was found. As the people at Mozilla have said, it is not inherently more secure than IE, just less targeted.
http://washingtontimes.com/upi-breaking/20040709-025323-6615r.htm
Mozilla.org has released a patch http://www.mozilla.org/security/shell.html
http://washingtontimes.com/upi-breaking/20040709-025323-6615r.htm
Mozilla.org has released a patch http://www.mozilla.org/security/shell.html