fpx.dll 3.9.8.0 in the FlashPix plugin for IrfanView 4.10 allows remote attackers to execute arbitrary code via a crafted FlashPix (.FPX) file, which triggers heap corruption. NOTE: some of these details are obtained from third party information.
https://www.exploit-db.com/exploits/4998
https://exchange.xforce.ibmcloud.com/vulnerabilities/40012