GitHub Advisoryadvisory · NuGet

GHSA-jvgr-9ph5-m8v4 ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float

MEDIUM Published 2026-04-14 Modified 2026-04-14 Official page ↗
Aliases
CVE-2026-40183
Ecosystem
NuGet
Packages
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU, Magick.NET-Q16-HDRI-OpenMP-arm64, Magick.NET-Q16-HDRI-arm64, Magick.NET-Q16-HDRI-x64, Magick.NET-Q16-HDRI-x86, Magick.NET-Q16-OpenMP-arm64, Magick.NET-Q16-OpenMP-x64, Magick.NET-Q16-arm64, Magick.NET-Q16-x64, Magick.NET-Q16-x86, Magick.NET-Q8-AnyCPU, Magick.NET-Q8-OpenMP-arm64, Magick.NET-Q8-OpenMP-x64, Magick.NET-Q8-arm64, Magick.NET-Q8-x64, Magick.NET-Q8-x86
Severity
Moderate
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-122
Reviewed
2026-04-14

Affected packages

• NuGet Magick.NET-Q16-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-OpenMP-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-x64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-x86: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-OpenMP-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-OpenMP-x64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-x64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-x86: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-OpenMP-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-OpenMP-x64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-arm64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-x64: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-x86: < 14.12.0 → fixed in 14.12.0

Description

The JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats.

Related

Alias · CVE (1)

  • CVE-2026-40183 ImageMagick is free and open-source software used for editing and manipulating digital images. vulnerability

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References