medium5.1
CVE-2026-34238
ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow on 32-bit builds
Impact
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, an integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Magick.NET-Q16-AnyCPU | < 14.12.0 | 14.12.0 |
| nuget | Magick.NET-Q16-HDRI-AnyCPU | < 14.12.0 | 14.12.0 |
| nuget | Magick.NET-Q16-HDRI-x86 | < 14.12.0 | 14.12.0 |
| nuget | Magick.NET-Q16-x86 | < 14.12.0 | 14.12.0 |
| nuget | Magick.NET-Q8-AnyCPU | < 14.12.0 | 14.12.0 |
| nuget | Magick.NET-Q8-x86 | < 14.12.0 | 14.12.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Imagemagick | Imagemagick | before 6.9.13-44 from 7.0.0-0 before 7.1.2-19 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-26qp-ffjh-2x4v
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-26qp-ffjh-2x4v
- https://github.com/ImageMagick/ImageMagick/commit/bcd8519c70ecd9ebbc180920f2cf97b267d1f440
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-34238