CVE-2026-27798CWE-125CWE-126

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

Medium · published February 25, 2026

CVSS v3.1
4.0
EPSS
0%
Percentile
10.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.0 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00209 · 10.5th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-126 · Buffer Over-read
Published
2026-02-25T23:18Z
EPSS history
Timeline
  • 25 FEB 23:18Z
    ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
    cvelistv5