VULNERABILITY INTELLIGENCE

CVE-2021-26237

CVSS score7.8 HIGH
EPSS probability2.73%
CISA KEVNot currently listed
Published2021-03-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

FastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d7d, 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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references