IrfanView version 4.44 (32bit) with FPX Plugin 4.46 allows attackers to execute arbitrary code or cause a denial of service via a crafted .fpx file, related to a "Read Access Violation on Control Flow starting at FPX!GetPlugInInfo+0x0000000000012bf2."
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-9873