CVE-2026-40310

MEDIUM

ImageMagick: Heap out-of-bounds write in JP2 encoder

Title source: cna

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

References (4)

[X_Refsource_Confirm] https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pwg5-6jfc-crvh

[X_Refsource_Misc] https://github.com/ImageMagick/ImageMagick/commit/3d653bea2df085c728a1c8f775808e1e9249dff9

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 5.5

EPSS 0.0001

EPSS Percentile 0.3%

Attack Vector LOCAL

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

Details

CWE

CWE-122 CWE-787

Status published

Products (19)

imagemagick/imagemagick < 6.9.13-44

ImageMagick/ImageMagick < 6.9.13-44

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-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