IrfanView version 4.44 (32bit) with FPX Plugin 4.45 allows remote attackers to execute arbitrary code or cause a denial of service (Heap Corruption and application crash) in processing a FlashPix (.FPX) file, a different vulnerability than CVE-2017-7721.
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-8370