CVE-2018-11625: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days.

In ImageMagick 7.0.7-37 Q16, SetGrayscaleImage in the quantize.c file allows attackers to cause a heap-based buffer over-read via a crafted file.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.10 only; version 18.04 only
• ImageMagick ImageMagick: version 7.0.7-37 only

Published 2018-05-31. Last modified 2026-06-17.