IrfanView version 4.44 (32bit) with FPX Plugin 4.46 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .fpx file, related to "Data from Faulting Address is used as one or more arguments in a subsequent Function Call starting at FPX+0x000000000000688d."
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-9887