source: http://www.securityfocus.com/bid/22899/info

Firefox is prone to a remote denial-of-service vulnerability.

An attacker may exploit this vulnerability to cause the application to crash, resulting in denial-of-service conditions.

Little is known regarding this vulnerability; this BID will be updated when more information is disclosed.

Firefox 2.0.0.2 is prone to this issue; other versions may also be affected.

GIMP version 2.2.12 is also reported vulnerable; a segmentation fault occurs when the application processes a malicious GIF image.

http://www.exploit-db.com/sploits/29723.zip