Buffer overflow in the TIFF library in the Photo Viewer for Sony PSP 2.0 firmware allows remote attackers to cause a denial of service via a crafted TIFF image.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-3084
http://secunia.com/advisories/16922
http://pspupdates.qj.net/2005/09/20-overflow-found-and-working.html