---
id: CVE-2026-56370
aliases:
  - GHSA-pmpg-6pww-fg6q
title: >-
  ImageMagick has out-of-bounds access in ConnectedComponentsImage() via
  CLI-controlled connected-components:* artifacts
summary: >-
  ImageMagick has out-of-bounds access in ConnectedComponentsImage() via
  CLI-controlled connected-components:* artifacts
severity: low
cvss: 3.3
cwe:
  - CWE-125
  - CWE-787
vendor: Magick
product: Magick.NET-Q16-AnyCPU
ecosystem: nuget
affected:
  - Magick.NET-Q16-AnyCPU < 14.12.0
  - Magick.NET-Q16-HDRI-AnyCPU < 14.12.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.12.0
  - Magick.NET-Q16-HDRI-arm64 < 14.12.0
  - Magick.NET-Q16-HDRI-x64 < 14.12.0
  - Magick.NET-Q16-HDRI-x86 < 14.12.0
  - Magick.NET-Q16-OpenMP-arm64 < 14.12.0
  - Magick.NET-Q16-OpenMP-x64 < 14.12.0
  - Magick.NET-Q16-arm64 < 14.12.0
  - Magick.NET-Q16-x64 < 14.12.0
  - Magick.NET-Q16-x86 < 14.12.0
  - Magick.NET-Q16-HDRI-OpenMP-x64 < 14.12.0
  - Magick.NET-Q8-AnyCPU < 14.12.0
  - Magick.NET-Q8-OpenMP-arm64 < 14.12.0
  - Magick.NET-Q8-OpenMP-x64 < 14.12.0
  - Magick.NET-Q8-arm64 < 14.12.0
  - Magick.NET-Q8-x64 < 14.12.0
  - Magick.NET-Q8-x86 < 14.12.0
patched:
  - Magick.NET-Q16-AnyCPU 14.12.0
  - Magick.NET-Q16-HDRI-AnyCPU 14.12.0
  - Magick.NET-Q16-HDRI-OpenMP-arm64 14.12.0
  - Magick.NET-Q16-HDRI-arm64 14.12.0
  - Magick.NET-Q16-HDRI-x64 14.12.0
  - Magick.NET-Q16-HDRI-x86 14.12.0
  - Magick.NET-Q16-OpenMP-arm64 14.12.0
  - Magick.NET-Q16-OpenMP-x64 14.12.0
  - Magick.NET-Q16-arm64 14.12.0
  - Magick.NET-Q16-x64 14.12.0
  - Magick.NET-Q16-x86 14.12.0
  - Magick.NET-Q16-HDRI-OpenMP-x64 14.12.0
  - Magick.NET-Q8-AnyCPU 14.12.0
  - Magick.NET-Q8-OpenMP-arm64 14.12.0
  - Magick.NET-Q8-OpenMP-x64 14.12.0
  - Magick.NET-Q8-arm64 14.12.0
  - Magick.NET-Q8-x64 14.12.0
  - Magick.NET-Q8-x86 14.12.0
published: '2026-04-14'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T21:02:19Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-pmpg-6pww-fg6q'
references:
  - url: >-
      https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pmpg-6pww-fg6q
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-56370'
  - url: >-
      https://www.vulncheck.com/advisories/imagemagick-out-of-bounds-access-in-connectedcomponentsimage-via-connected-components-artifact
  - url: 'https://github.com/advisories/GHSA-pmpg-6pww-fg6q'
tags:
  - ghsa
  - nuget
epss: 0.00177
epssPercentile: 0.06403
ingestedAt: '2026-09-18T21:53:15.792Z'
---

## Overview

When the `connected-components:*` define specifies an invalid index and out of bound operation will result in an access violation.

## Affected packages

- `Magick.NET-Q16-AnyCPU < 14.12.0`
- `Magick.NET-Q16-HDRI-AnyCPU < 14.12.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.12.0`
- `Magick.NET-Q16-HDRI-arm64 < 14.12.0`
- `Magick.NET-Q16-HDRI-x64 < 14.12.0`
- `Magick.NET-Q16-HDRI-x86 < 14.12.0`
- `Magick.NET-Q16-OpenMP-arm64 < 14.12.0`
- `Magick.NET-Q16-OpenMP-x64 < 14.12.0`
- `Magick.NET-Q16-arm64 < 14.12.0`
- `Magick.NET-Q16-x64 < 14.12.0`
- `Magick.NET-Q16-x86 < 14.12.0`
- `Magick.NET-Q16-HDRI-OpenMP-x64 < 14.12.0`
- `Magick.NET-Q8-AnyCPU < 14.12.0`
- `Magick.NET-Q8-OpenMP-arm64 < 14.12.0`
- `Magick.NET-Q8-OpenMP-x64 < 14.12.0`
- `Magick.NET-Q8-arm64 < 14.12.0`
- `Magick.NET-Q8-x64 < 14.12.0`
- `Magick.NET-Q8-x86 < 14.12.0`

## Remediation

Upgrade to a patched release:

- `Magick.NET-Q16-AnyCPU 14.12.0`
- `Magick.NET-Q16-HDRI-AnyCPU 14.12.0`
- `Magick.NET-Q16-HDRI-OpenMP-arm64 14.12.0`
- `Magick.NET-Q16-HDRI-arm64 14.12.0`
- `Magick.NET-Q16-HDRI-x64 14.12.0`
- `Magick.NET-Q16-HDRI-x86 14.12.0`
- `Magick.NET-Q16-OpenMP-arm64 14.12.0`
- `Magick.NET-Q16-OpenMP-x64 14.12.0`
- `Magick.NET-Q16-arm64 14.12.0`
- `Magick.NET-Q16-x64 14.12.0`
- `Magick.NET-Q16-x86 14.12.0`
- `Magick.NET-Q16-HDRI-OpenMP-x64 14.12.0`
- `Magick.NET-Q8-AnyCPU 14.12.0`
- `Magick.NET-Q8-OpenMP-arm64 14.12.0`
- `Magick.NET-Q8-OpenMP-x64 14.12.0`
- `Magick.NET-Q8-arm64 14.12.0`
- `Magick.NET-Q8-x64 14.12.0`
- `Magick.NET-Q8-x86 14.12.0`