Vulnerabilities > CVE-2021-26233 - Out-of-bounds Write vulnerability in Faststone Image Viewer

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
faststone
CWE-787

Summary

FastStone Image Viewer <= 7.5 is affected by a user mode write access violation near NULL at 0x005bdfcb, 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.

Vulnerable Configurations

Part Description Count
Application
Faststone
68

Common Weakness Enumeration (CWE)