CVE-2018-11251: ImageMagick

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

In ImageMagick 7.0.7-23 Q16 x86_64 2018-01-24, there is a heap-based buffer over-read in ReadSUNImage in coders/sun.c, which allows attackers to cause a denial of service (application crash in SetGrayscaleImage in MagickCore/quantize.c) via a crafted SUN image file.

Affected products

• ImageMagick ImageMagick: from 7.0.7-16, before 7.0.7-21 (fixed in 7.0.7-21); version 7.0.7-23 only

Published 2018-05-18. Last modified 2026-06-17.