CVE-2026-56362

Low

Description

ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.

SeverityLow
CVSS3.3
Exploit probability—
ProductImagemagick
PublishedJul 8, 2026
First seenJul 8, 2026

How to fix

Update
  • imagemagick imagemagick6.9.13-40, 7.1.2-15 or later
  • Magick.NET-Q16-AnyCPU14.10.3 or later
  • Magick.NET-Q16-HDRI-AnyCPU14.10.3 or later
  • Magick.NET-Q16-HDRI-OpenMP-arm6414.10.3 or later
  • Magick.NET-Q16-HDRI-OpenMP-x6414.10.3 or later
  • Magick.NET-Q16-HDRI-arm6414.10.3 or later
  • Magick.NET-Q16-HDRI-x6414.10.3 or later
  • Magick.NET-Q16-HDRI-x8614.10.3 or later
  • Magick.NET-Q16-OpenMP-arm6414.10.3 or later
  • Magick.NET-Q16-OpenMP-x6414.10.3 or later
  • Magick.NET-Q16-OpenMP-x8614.10.3 or later
  • Magick.NET-Q16-arm6414.10.3 or later

Affected products

ProductAffected versionsFixed in
imagemagick imagemagickv < 6.9.13-40, 7.0.0-0 ≤ v < 7.1.2-156.9.13-40, 7.1.2-15
Magick.NET-Q16-AnyCPUNuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-AnyCPUNuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-x64NuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-x64NuGetv < 14.10.314.10.3
Magick.NET-Q16-HDRI-x86NuGetv < 14.10.314.10.3
Magick.NET-Q16-OpenMP-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q16-OpenMP-x64NuGetv < 14.10.314.10.3
Magick.NET-Q16-OpenMP-x86NuGetv < 14.10.314.10.3
Magick.NET-Q16-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q16-x64NuGetv < 14.10.314.10.3
Magick.NET-Q16-x86NuGetv < 14.10.314.10.3
Magick.NET-Q8-AnyCPUNuGetv < 14.10.314.10.3
Magick.NET-Q8-OpenMP-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q8-OpenMP-x64NuGetv < 14.10.314.10.3
Magick.NET-Q8-arm64NuGetv < 14.10.314.10.3
Magick.NET-Q8-x64NuGetv < 14.10.314.10.3
Magick.NET-Q8-x86NuGetv < 14.10.314.10.3

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