CVE-2017-8826: 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" issue, possibly related to the jpeg_mem_term function in jmemnobs.c in libjpeg. This issue can be triggered by 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 2017-07-05. Last modified 2026-06-17.