A User Mode Write AV starting at Editor!TMethodImplementationIntercept+0x4189c6 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted ico file.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23889
Reference (s):
- https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/ico_file_format.md
- https://www.wildbit-soft.fi/software.html