CVE-2026-27798

MEDIUM4.0EPSS 0.02%

ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images

Published: 2/25/2026Modified: 4/28/2026

Description

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 packages (20)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1MEDIUM4.0CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References (6)