Describe CVE-2021-26234.
What is CVE-2021-26234?
FastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d8a, triggered when a user opens or views a malformed CUR file that is mishandled by FSViewer.exe. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution..