CVE-2018-11705: Faststone Image Viewer

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

FastStone Image Viewer 6.2 has a User Mode Write AV at 0x00578cc4, triggered when the user opens a malformed JPEG file that is mishandled by FSViewer.exe. Attackers could exploit this issue for DoS (Access Violation) or possibly unspecified other impact.

Affected products

• Faststone Image Viewer: version 6.2 only

Published 2018-06-20. Last modified 2026-06-17.