CVE-2026-27798: Dlemstra Magick.net

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Affected products

• Dlemstra Magick.net: before 14.10.3 (fixed in 14.10.3)
• ImageMagick ImageMagick: before 6.9.13-40 (fixed in 6.9.13-40); from 7.0.0-0, before 7.1.2-15 (fixed in 7.1.2-15)

Published 2026-02-26. Last modified 2026-06-17.