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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
| Vendor | Product | Affected versions | Fix 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
- https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9e... Patch
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r5... Vendor Advisory
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3 Product Release Notes
- https://nvd.nist.gov/vuln/detail/CVE-2026-27798
- https://github.com/advisories/GHSA-qpgx-jfcq-r59f
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27798... Vendor Advisory
Published: 25 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026