CVE-2017-17782: Debian Linux

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

In GraphicsMagick 1.3.27a, there is a heap-based buffer over-read in ReadOneJNGImage in coders/png.c, related to oFFs chunk allocation.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Graphicsmagick Graphicsmagick: version 1.3.27a only

Published 2017-12-20. Last modified 2026-06-17.