Buffer overflow in XnView before 2.04 allows remote attackers to execute arbitrary code via a crafted PCT file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/85919
https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-2519
http://www.securitytracker.com/id/1028817
http://www.exploit-db.com/exploits/27049
http://www.coresecurity.com/advisories/xnview-buffer-overflow-vulnerability
http://secunia.com/advisories/54174
http://newsgroup.xnview.com/viewtopic.php?f=35&t=28400
http://archives.neohapsis.com/archives/bugtraq/2013-07/0153.html