Heap-based buffer overflow in Xjp2.dll in the JPEG2000 plug-in in XnView 1.98.5 allows remote attackers to execute arbitrary code via a JPEG2000 (JP2) file with a crafted Quantization Default (QCD) marker segment.
https://exchange.xforce.ibmcloud.com/vulnerabilities/73040
http://www.securityfocus.com/bid/51896