GitHub Advisoryadvisory · NuGet

GHSA-jcqp-6r6f-3mfx ImageMagick: Heap Buffer Over-Write in MIFF encoder when using LZMA compression

MEDIUM Published 2026-05-18 Modified 2026-06-11 Official page ↗
Aliases
CVE-2026-46521
Ecosystem
NuGet
Packages
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU, Magick.NET-Q16-HDRI-OpenMP-arm64, Magick.NET-Q16-HDRI-OpenMP-x64, 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-131, CWE-252, CWE-787, CWE-835
Reviewed
2026-05-18

Affected packages

• NuGet Magick.NET-Q16-AnyCPU: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-AnyCPU: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-OpenMP-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-OpenMP-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-HDRI-x86: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-OpenMP-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-OpenMP-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q16-x86: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-AnyCPU: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-OpenMP-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-OpenMP-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-arm64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-x64: < 14.13.1 → fixed in 14.13.1 • NuGet Magick.NET-Q8-x86: < 14.13.1 → fixed in 14.13.1

Description

When using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check.

Related

Alias · CVE (1)

  • CVE-2026-46521 ImageMagick is free and open-source software used for editing and manipulating digital images. vulnerability

Weakness · CWE (4)

  • CWE-131 Incorrect Calculation of Buffer Size weakness
  • CWE-252 Unchecked Return Value weakness
  • CWE-787 Out-of-bounds Write weakness
  • CWE-835 Loop with Unreachable Exit Condition weakness

References