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Moderate severityNVD Advisory· Published Feb 25, 2026· Updated Feb 26, 2026

ImageMagick has a heap Buffer Over-read in its DJVU image format handler

CVE-2026-27799

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 exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride (row size) for pixel buffer allocation. The stride calculation overflows a 32-bit signed integer, resulting in an out-of-bounds memory reads. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
Magick.NET-Q16-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-x86NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-x86NuGet
< 14.10.314.10.3
Magick.NET-Q16-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-x86NuGet
< 14.10.314.10.3
Magick.NET-Q8-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q8-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q8-OpenMP-x64NuGet
< 14.10.314.10.3
Magick.NET-Q8-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q8-x64NuGet
< 14.10.314.10.3
Magick.NET-Q8-x86NuGet
< 14.10.314.10.3

Affected products

35

Patches

Vulnerability mechanics

References

5

News mentions

0

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