CVE-2026-40169

MEDIUM

ImageMagick: Heap buffer overflow (WRITE) in the YAML and JSON encoders

Title source: cna

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, a crafted image could result in an out of bounds heap write when writing a yaml or json output, resulting in a crash. This issue has been fixed in version 7.1.2-19.

References (4)

[X_Refsource_Confirm] https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5592-p365-24xh

[X_Refsource_Misc] https://github.com/ImageMagick/ImageMagick/commit/f86452a8aea37bf2b4bd36127f836dcc5f138b38

View Writeup ZIP pw:eip

[X_Refsource_Misc] https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19

[X_Refsource_Misc] https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0

Scores

CVSS v3 6.2

EPSS 0.0001

EPSS Percentile 0.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-122 CWE-787

Status published

Products (19)

imagemagick/imagemagick < 7.1.2-19

ImageMagick/ImageMagick < 7.1.2-19

nuget/Magick.NET-Q16-AnyCPU 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-arm64 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-HDRI-AnyCPU 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-HDRI-arm64 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-HDRI-OpenMP-arm64 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-HDRI-x64 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-HDRI-x86 0 - 14.12.0NuGet

nuget/Magick.NET-Q16-OpenMP-arm64 0 - 14.12.0NuGet

... and 9 more

Published Apr 13, 2026

Tracked Since Apr 14, 2026