medium4.0
CVE-2026-27798
ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Impact
A heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. ``` ==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500 READ of size 4 at 0x511000001280 thread T0 ```
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Magick.NET-Q16-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-x86 | < 14.10.3 | 14.10.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Imagemagick | Imagemagick | before 6.9.13-40 from 7.0.0-0 before 7.1.2-15 |
| Dlemstra | Magick.Net | before 14.10.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3
- https://github.com/advisories/GHSA-qpgx-jfcq-r59f
- https://nvd.nist.gov/vuln/detail/CVE-2026-27798