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4.0

ImageMagick: Small Images Can Cause Data Disclosure

CVE-2026-27798 GHSA-qpgx-jfcq-r59f CVE-2026-27798
Summary

ImageMagick, a popular image editing software, has a flaw in its Wavelet Denoise feature. If a small image is processed using this feature, sensitive information could be exposed. Update to the latest version of ImageMagick to fix this issue.

What to do
  • Update magick.net-q16-anycpu to version 14.10.3.
  • Update magick.net-q16-hdri-anycpu to version 14.10.3.
  • Update magick.net-q16-hdri-openmp-arm64 to version 14.10.3.
  • Update magick.net-q16-hdri-openmp-x64 to version 14.10.3.
  • Update magick.net-q16-hdri-arm64 to version 14.10.3.
  • Update magick.net-q16-hdri-x64 to version 14.10.3.
  • Update magick.net-q16-hdri-x86 to version 14.10.3.
  • Update magick.net-q16-openmp-arm64 to version 14.10.3.
  • Update magick.net-q16-openmp-x64 to version 14.10.3.
  • Update magick.net-q16-openmp-x86 to version 14.10.3.
  • Update magick.net-q16-arm64 to version 14.10.3.
  • Update magick.net-q16-x64 to version 14.10.3.
  • Update magick.net-q16-x86 to version 14.10.3.
  • Update magick.net-q8-anycpu to version 14.10.3.
  • Update magick.net-q8-openmp-arm64 to version 14.10.3.
  • Update magick.net-q8-openmp-x64 to version 14.10.3.
  • Update magick.net-q8-arm64 to version 14.10.3.
  • Update magick.net-q8-x64 to version 14.10.3.
  • Update magick.net-q8-x86 to version 14.10.3.
Affected software
VendorProductAffected versionsFix available
magick.net-q16-anycpu <= 14.10.3 14.10.3
magick.net-q16-hdri-anycpu <= 14.10.3 14.10.3
magick.net-q16-hdri-openmp-arm64 <= 14.10.3 14.10.3
magick.net-q16-hdri-openmp-x64 <= 14.10.3 14.10.3
magick.net-q16-hdri-arm64 <= 14.10.3 14.10.3
magick.net-q16-hdri-x64 <= 14.10.3 14.10.3
magick.net-q16-hdri-x86 <= 14.10.3 14.10.3
magick.net-q16-openmp-arm64 <= 14.10.3 14.10.3
magick.net-q16-openmp-x64 <= 14.10.3 14.10.3
magick.net-q16-openmp-x86 <= 14.10.3 14.10.3
magick.net-q16-arm64 <= 14.10.3 14.10.3
magick.net-q16-x64 <= 14.10.3 14.10.3
magick.net-q16-x86 <= 14.10.3 14.10.3
magick.net-q8-anycpu <= 14.10.3 14.10.3
magick.net-q8-openmp-arm64 <= 14.10.3 14.10.3
magick.net-q8-openmp-x64 <= 14.10.3 14.10.3
magick.net-q8-arm64 <= 14.10.3 14.10.3
magick.net-q8-x64 <= 14.10.3 14.10.3
magick.net-q8-x86 <= 14.10.3 14.10.3
imagemagick imagemagick <= 6.9.13-40
imagemagick imagemagick > 7.0.0-0 , <= 7.1.2-15
dlemstra magick.net <= 14.10.3
Original title
ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Original 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.
nvd CVSS3.1 7.1
Vulnerability type
CWE-125 Out-of-bounds Read
CWE-126
Published: 25 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026