XnView Classic for Windows Version 2.43 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .dwg file, related to "Data from Faulting Address may be used as a return value starting at CADImage+0x0000000000285ec1."
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-15776