CVE-2017-18220: Graphicsmagick

High severity, CVSS 8.8. EPSS: 3.6% chance of exploitation in the next 30 days.

The ReadOneJNGImage and ReadJNGImage functions in coders/png.c in GraphicsMagick 1.3.26 allow remote attackers to cause a denial of service (magick/blob.c CloseBlob use-after-free) or possibly have unspecified other impact via a crafted file, a related issue to CVE-2017-11403.

Affected products

• Graphicsmagick Graphicsmagick: version 1.3.26 only

Published 2018-03-05. Last modified 2026-06-17.