---
id: CVE-2026-53467
aliases:
  - GHSA-8g53-9m3c-69xg
title: >-
  ImageMagick: Information Disclosure in MNG decoder because allocated memory is
  left unchanged
summary: >-
  ImageMagick: Information Disclosure in MNG decoder because allocated memory is
  left unchanged
severity: medium
cvss: 5.3
cwe:
  - CWE-200
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: '2026-07-23'
updated: '2026-07-23'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-8g53-9m3c-69xg'
references:
  - url: >-
      https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8g53-9m3c-69xg
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53467'
  - url: 'https://github.com/dlemstra/Magick.NET/releases/tag/14.15.0'
  - url: 'https://github.com/advisories/GHSA-8g53-9m3c-69xg'
tags:
  - ghsa
  - nuget
epss: 0.0033
epssPercentile: 0.23336
ingestedAt: '2026-07-23T20:19:19.593Z'
---

## Overview

In the MNG decoder there is a possible heap information disclosure because part of the pixels are left unchanged.

## 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`