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medium4.0

CVE-2026-27799

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

Impact

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.

Affected packages

EcosystemPackageAffectedFixed in
nugetMagick.NET-Q16-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-x64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-x86< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-x86< 14.10.314.10.3
nugetMagick.NET-Q16-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-x64< 14.10.314.10.3
nugetMagick.NET-Q16-x86< 14.10.314.10.3
nugetMagick.NET-Q8-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q8-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q8-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q8-arm64< 14.10.314.10.3
nugetMagick.NET-Q8-x64< 14.10.314.10.3
nugetMagick.NET-Q8-x86< 14.10.314.10.3

Affected products

VendorProductAffected versions
ImagemagickImagemagick
before 6.9.13-40
from 7.0.0-0 before 7.1.2-15
DlemstraMagick.Net
before 14.10.3

Weakness classification

CWE-122CWE-126

References