---
id: CVE-2026-53466
aliases:
  - GHSA-pjxj-pchx-4c3m
title: >-
  ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion
  overflow
summary: >-
  ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion
  overflow
severity: medium
cvss: 6.5
cwe:
  - CWE-190
  - CWE-681
vendor: Magick
product: Magick.NET-Q16-AnyCPU
ecosystem: nuget
affected:
  - Magick.NET-Q16-AnyCPU < 14.15.0
  - Magick.NET-Q16-HDRI-AnyCPU < 14.15.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.15.0
  - Magick.NET-Q16-HDRI-x64 < 14.15.0
  - Magick.NET-Q16-HDRI-x86 < 14.15.0
  - Magick.NET-Q16-OpenMP-arm64 < 14.15.0
  - Magick.NET-Q16-OpenMP-x64 < 14.15.0
  - Magick.NET-Q16-arm64 < 14.15.0
  - Magick.NET-Q16-x64 < 14.15.0
  - Magick.NET-Q16-x86 < 14.15.0
  - Magick.NET-Q8-AnyCPU < 14.15.0
  - Magick.NET-Q8-OpenMP-arm64 < 14.15.0
  - Magick.NET-Q8-OpenMP-x64 < 14.15.0
  - Magick.NET-Q8-arm64 < 14.15.0
  - Magick.NET-Q8-x64 < 14.15.0
  - Magick.NET-Q8-x86 < 14.15.0
  - Magick.NET-Q16-HDRI-arm64 < 14.15.0
patched:
  - Magick.NET-Q16-AnyCPU 14.15.0
  - Magick.NET-Q16-HDRI-AnyCPU 14.15.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 14.15.0
  - Magick.NET-Q16-HDRI-x64 14.15.0
  - Magick.NET-Q16-HDRI-x86 14.15.0
  - Magick.NET-Q16-OpenMP-arm64 14.15.0
  - Magick.NET-Q16-OpenMP-x64 14.15.0
  - Magick.NET-Q16-arm64 14.15.0
  - Magick.NET-Q16-x64 14.15.0
  - Magick.NET-Q16-x86 14.15.0
  - Magick.NET-Q8-AnyCPU 14.15.0
  - Magick.NET-Q8-OpenMP-arm64 14.15.0
  - Magick.NET-Q8-OpenMP-x64 14.15.0
  - Magick.NET-Q8-arm64 14.15.0
  - Magick.NET-Q8-x64 14.15.0
  - Magick.NET-Q8-x86 14.15.0
  - Magick.NET-Q16-HDRI-arm64 14.15.0
published: '2026-07-31'
updated: '2026-07-31'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-pjxj-pchx-4c3m'
references:
  - url: >-
      https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pjxj-pchx-4c3m
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53466'
  - url: >-
      https://github.com/ImageMagick/ImageMagick/commit/47ca7210515f3c9ea033b86fe4323a70caa74468
  - url: 'https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-26'
  - url: 'https://github.com/dlemstra/Magick.NET/releases/tag/14.15.0'
  - url: 'https://github.com/advisories/GHSA-pjxj-pchx-4c3m'
tags:
  - ghsa
  - nuget
epss: 0.00373
epssPercentile: 0.28507
ingestedAt: '2026-07-31T20:02:43.018Z'
---

## Overview

An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.

## Affected packages

- `Magick.NET-Q16-AnyCPU < 14.15.0`
- `Magick.NET-Q16-HDRI-AnyCPU < 14.15.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.15.0`
- `Magick.NET-Q16-HDRI-x64 < 14.15.0`
- `Magick.NET-Q16-HDRI-x86 < 14.15.0`
- `Magick.NET-Q16-OpenMP-arm64 < 14.15.0`
- `Magick.NET-Q16-OpenMP-x64 < 14.15.0`
- `Magick.NET-Q16-arm64 < 14.15.0`
- `Magick.NET-Q16-x64 < 14.15.0`
- `Magick.NET-Q16-x86 < 14.15.0`
- `Magick.NET-Q8-AnyCPU < 14.15.0`
- `Magick.NET-Q8-OpenMP-arm64 < 14.15.0`
- `Magick.NET-Q8-OpenMP-x64 < 14.15.0`
- `Magick.NET-Q8-arm64 < 14.15.0`
- `Magick.NET-Q8-x64 < 14.15.0`
- `Magick.NET-Q8-x86 < 14.15.0`
- `Magick.NET-Q16-HDRI-arm64 < 14.15.0`

## Remediation

Upgrade to a patched release:

- `Magick.NET-Q16-AnyCPU 14.15.0`
- `Magick.NET-Q16-HDRI-AnyCPU 14.15.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 14.15.0`
- `Magick.NET-Q16-HDRI-x64 14.15.0`
- `Magick.NET-Q16-HDRI-x86 14.15.0`
- `Magick.NET-Q16-OpenMP-arm64 14.15.0`
- `Magick.NET-Q16-OpenMP-x64 14.15.0`
- `Magick.NET-Q16-arm64 14.15.0`
- `Magick.NET-Q16-x64 14.15.0`
- `Magick.NET-Q16-x86 14.15.0`
- `Magick.NET-Q8-AnyCPU 14.15.0`
- `Magick.NET-Q8-OpenMP-arm64 14.15.0`
- `Magick.NET-Q8-OpenMP-x64 14.15.0`
- `Magick.NET-Q8-arm64 14.15.0`
- `Magick.NET-Q8-x64 14.15.0`
- `Magick.NET-Q8-x86 14.15.0`
- `Magick.NET-Q16-HDRI-arm64 14.15.0`