---
id: CVE-2026-53462
title: ImageMagick has a Use-After-Free when allocation in CheckPrimitiveExtent fails
summary: ImageMagick has a Use-After-Free when allocation in CheckPrimitiveExtent fails
severity: medium
cvss: 5.9
cwe:
  - CWE-416
vendor: Magick
product: Magick.NET-Q16-AnyCPU
ecosystem: nuget
affected:
  - Magick.NET-Q16-AnyCPU < 14.14.0
  - Magick.NET-Q16-HDRI-AnyCPU < 14.14.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.14.0
  - Magick.NET-Q16-HDRI-arm64 < 14.14.0
  - Magick.NET-Q16-HDRI-x64 < 14.14.0
  - Magick.NET-Q16-HDRI-x86 < 14.14.0
  - Magick.NET-Q16-OpenMP-arm64 < 14.14.0
  - Magick.NET-Q16-OpenMP-x64 < 14.14.0
  - Magick.NET-Q16-arm64 < 14.14.0
  - Magick.NET-Q16-x64 < 14.14.0
  - Magick.NET-Q16-x86 < 14.14.0
  - Magick.NET-Q8-AnyCPU < 14.14.0
  - Magick.NET-Q8-OpenMP-arm64 < 14.14.0
  - Magick.NET-Q8-OpenMP-x64 < 14.14.0
  - Magick.NET-Q8-arm64 < 14.14.0
  - Magick.NET-Q8-x64 < 14.14.0
  - Magick.NET-Q8-x86 < 14.14.0
patched:
  - Magick.NET-Q16-AnyCPU 14.14.0
  - Magick.NET-Q16-HDRI-AnyCPU 14.14.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 14.14.0
  - Magick.NET-Q16-HDRI-arm64 14.14.0
  - Magick.NET-Q16-HDRI-x64 14.14.0
  - Magick.NET-Q16-HDRI-x86 14.14.0
  - Magick.NET-Q16-OpenMP-arm64 14.14.0
  - Magick.NET-Q16-OpenMP-x64 14.14.0
  - Magick.NET-Q16-arm64 14.14.0
  - Magick.NET-Q16-x64 14.14.0
  - Magick.NET-Q16-x86 14.14.0
  - Magick.NET-Q8-AnyCPU 14.14.0
  - Magick.NET-Q8-OpenMP-arm64 14.14.0
  - Magick.NET-Q8-OpenMP-x64 14.14.0
  - Magick.NET-Q8-arm64 14.14.0
  - Magick.NET-Q8-x64 14.14.0
  - Magick.NET-Q8-x86 14.14.0
published: '2026-06-26'
updated: '2026-06-26'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-px7q-ggqj-hcf2'
references:
  - url: >-
      https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-px7q-ggqj-hcf2
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53462'
  - url: 'https://github.com/dlemstra/Magick.NET/releases/tag/14.14.0'
  - url: 'https://github.com/advisories/GHSA-px7q-ggqj-hcf2'
tags:
  - ghsa
  - nuget
epss: 0.00367
epssPercentile: 0.27844
ingestedAt: '2026-06-26T16:43:14.190Z'
---

## Overview

When an allocation fails in CheckPrimitiveExtent this can result in a heap-use-after-free and result in a crash.

## Affected packages

- `Magick.NET-Q16-AnyCPU < 14.14.0`
- `Magick.NET-Q16-HDRI-AnyCPU < 14.14.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.14.0`
- `Magick.NET-Q16-HDRI-arm64 < 14.14.0`
- `Magick.NET-Q16-HDRI-x64 < 14.14.0`
- `Magick.NET-Q16-HDRI-x86 < 14.14.0`
- `Magick.NET-Q16-OpenMP-arm64 < 14.14.0`
- `Magick.NET-Q16-OpenMP-x64 < 14.14.0`
- `Magick.NET-Q16-arm64 < 14.14.0`
- `Magick.NET-Q16-x64 < 14.14.0`
- `Magick.NET-Q16-x86 < 14.14.0`
- `Magick.NET-Q8-AnyCPU < 14.14.0`
- `Magick.NET-Q8-OpenMP-arm64 < 14.14.0`
- `Magick.NET-Q8-OpenMP-x64 < 14.14.0`
- `Magick.NET-Q8-arm64 < 14.14.0`
- `Magick.NET-Q8-x64 < 14.14.0`
- `Magick.NET-Q8-x86 < 14.14.0`

## Remediation

Upgrade to a patched release:

- `Magick.NET-Q16-AnyCPU 14.14.0`
- `Magick.NET-Q16-HDRI-AnyCPU 14.14.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 14.14.0`
- `Magick.NET-Q16-HDRI-arm64 14.14.0`
- `Magick.NET-Q16-HDRI-x64 14.14.0`
- `Magick.NET-Q16-HDRI-x86 14.14.0`
- `Magick.NET-Q16-OpenMP-arm64 14.14.0`
- `Magick.NET-Q16-OpenMP-x64 14.14.0`
- `Magick.NET-Q16-arm64 14.14.0`
- `Magick.NET-Q16-x64 14.14.0`
- `Magick.NET-Q16-x86 14.14.0`
- `Magick.NET-Q8-AnyCPU 14.14.0`
- `Magick.NET-Q8-OpenMP-arm64 14.14.0`
- `Magick.NET-Q8-OpenMP-x64 14.14.0`
- `Magick.NET-Q8-arm64 14.14.0`
- `Magick.NET-Q8-x64 14.14.0`
- `Magick.NET-Q8-x86 14.14.0`