CVE-2018-6799: Debian Linux

High severity, CVSS 8.8. EPSS: 2.5% chance of exploitation in the next 30 days.

The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 allows remote attackers to cause a denial of service (heap overwrite) or possibly have unspecified other impact via a crafted image file, because a pixel staging area is not used.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Graphicsmagick Graphicsmagick: before 1.3.28 (fixed in 1.3.28)

Published 2018-02-07. Last modified 2026-06-17.