ImageMagick: Heap Buffer Over-Write in fx operation

MEDIUM 5.0CVE-2026-62363 · GHSA-422r-8c97-xcg4 · Published 30/07/2026 · updated 03/08/2026

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 heap buffer over-write can occur in the fx operation by passing a crafted argument.

NVD description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-27, a heap buffer over-write can occur in the fx operation by passing a crafted argument. This issue has been fixed in version 7.1.2-27.

References

ImageMagick/ImageMagick security advisory · WEB
ImageMagick/ImageMagick · PACKAGE
dlemstra/Magick.NET release 14.15.0 · WEB

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