CVE-2026-61866

Low

Description

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.

SeverityLow
CVSS2.9
Exploit probability—
ProductImagemagick
PublishedJul 15, 2026
First seenJul 15, 2026
Weakness typeCWE-401CWE-401

How to fix

Update
  • imagemagick imagemagick7.1.2-26 or later
  • Magick.NET-Q16-AnyCPU14.15.0 or later
  • Magick.NET-Q16-HDRI-AnyCPU14.15.0 or later
  • Magick.NET-Q16-HDRI-OpenMP-arm6414.15.0 or later
  • Magick.NET-Q16-HDRI-x6414.15.0 or later
  • Magick.NET-Q16-HDRI-x8614.15.0 or later
  • Magick.NET-Q16-OpenMP-arm6414.15.0 or later
  • Magick.NET-Q16-OpenMP-x6414.15.0 or later
  • Magick.NET-Q16-arm6414.15.0 or later
  • Magick.NET-Q16-x6414.15.0 or later
  • Magick.NET-Q16-x8614.15.0 or later
  • Magick.NET-Q8-AnyCPU14.15.0 or later

Affected products

ProductAffected versionsFixed in
imagemagick imagemagickv < 7.1.2-267.1.2-26
Magick.NET-Q16-AnyCPUNuGetv < 14.15.014.15.0
Magick.NET-Q16-HDRI-AnyCPUNuGetv < 14.15.014.15.0
Magick.NET-Q16-HDRI-OpenMP-arm64NuGetv < 14.15.014.15.0
Magick.NET-Q16-HDRI-x64NuGetv < 14.15.014.15.0
Magick.NET-Q16-HDRI-x86NuGetv < 14.15.014.15.0
Magick.NET-Q16-OpenMP-arm64NuGetv < 14.15.014.15.0
Magick.NET-Q16-OpenMP-x64NuGetv < 14.15.014.15.0
Magick.NET-Q16-arm64NuGetv < 14.15.014.15.0
Magick.NET-Q16-x64NuGetv < 14.15.014.15.0
Magick.NET-Q16-x86NuGetv < 14.15.014.15.0
Magick.NET-Q8-AnyCPUNuGetv < 14.15.014.15.0
Magick.NET-Q8-OpenMP-arm64NuGetv < 14.15.014.15.0
Magick.NET-Q8-OpenMP-x64NuGetv < 14.15.014.15.0
Magick.NET-Q8-arm64NuGetv < 14.15.014.15.0
Magick.NET-Q8-x64NuGetv < 14.15.014.15.0
Magick.NET-Q8-x86NuGetv < 14.15.014.15.0
Magick.NET-Q16-HDRI-arm64NuGetv < 14.15.014.15.0

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