ImageMagick: Memory Leak when providing invalid options to the cli

NIEDRIG 3.3CVE-2026-66011 · GHSA-cvhv-g4rq-3hmw · Published 25/07/2026 · updated 04/08/2026

Package	Affected versions	Patched versions
Magick.NET-Q16-AnyCPU NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-HDRI-AnyCPU NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-HDRI-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-HDRI-x64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-HDRI-x86 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-OpenMP-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-OpenMP-x64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-x64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q16-x86 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-AnyCPU NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-OpenMP-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-OpenMP-x64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-arm64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-x64 NuGet	`< 14.15.0`	`14.15.0`
Magick.NET-Q8-x86 NuGet	`< 14.15.0`	`14.15.0`
imagemagick imagemagick	`< 7.1.2-27`	`7.1.2-27`

Description

A memory leak is possible when invalid options are passed to the cli (magick)

NVD description

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.

References

ImageMagick/ImageMagick security advisory · WEB
ImageMagick/ImageMagick commit e3e6911 · WEB
ImageMagick/ImageMagick · PACKAGE
ImageMagick/ImageMagick release 7.1.2-27 · WEB
dlemstra/Magick.NET release 14.15.0 · WEB
vulncheck.com/advisories/imagemagick-before-27-memory-leak-via-invalid-cli-options · Third Party Advisory

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