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Back to active CVEs
Medium · CVSS 6.3CVE-2026-56368GHSA-WFX3-6G53-9FGC

ImageMagick - Memory Leak in Raw Pixel Data CodersCVE-2026-56368

Answer in brief

CVE-2026-56368 records a Medium severity (CVSS 6.3) vulnerability in ImageMagick - Memory Leak in Raw Pixel Data Coders. The current sources do not mark it as known exploited. The current feed maps ImageMagick/ImageMagick (generic), ImageMagick/ImageMagick (generic), Magick.NET-Q16-AnyCPU (nuget), Magick.NET-Q16-arm64 (nuget) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 24, 2026Updated Oct 29, 2026Source checked Oct 29, 2026First seen by HOL Jun 24, 2026Material review Oct 29, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.3
Exploitation
Not marked as known exploited
Affected software
22 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 6.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ImageMagick/ImageMagick (generic), ImageMagick/ImageMagick (generic), Magick.NET-Q16-AnyCPU (nuget), Magick.NET-Q16-arm64 (nuget) and additional mapped packages. Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
ImageMagick/ImageMagickgeneric>=7.0.0 <7.1.2-157.1.2-15
ImageMagick/ImageMagickgeneric>=0 <6.9.13-406.9.13-40
Magick.NET-Q16-AnyCPUnuget<14.10.314.10.3
Magick.NET-Q16-arm64nuget<14.10.314.10.3
Magick.NET-Q16-HDRI-AnyCPUnuget<14.10.314.10.3
Magick.NET-Q16-HDRI-arm64nuget<14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-arm64nuget<14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-x64nuget<14.10.314.10.3
Magick.NET-Q16-HDRI-x64nuget<14.10.314.10.3
Magick.NET-Q16-HDRI-x86nuget<14.10.314.10.3
Magick.NET-Q16-OpenMP-arm64nuget<14.10.314.10.3
Magick.NET-Q16-OpenMP-x64nuget<14.10.314.10.3
Magick.NET-Q16-OpenMP-x86nuget<14.10.314.10.3
Magick.NET-Q16-x64nuget<14.10.314.10.3
Magick.NET-Q16-x86nuget<14.10.314.10.3
Magick.NET-Q8-AnyCPUnuget<14.10.314.10.3
Magick.NET-Q8-arm64nuget<14.10.314.10.3
Magick.NET-Q8-OpenMP-arm64nuget<14.10.314.10.3
Magick.NET-Q8-OpenMP-x64nuget<14.10.314.10.3
Magick.NET-Q8-x64nuget<14.10.314.10.3
Magick.NET-Q8-x86nuget<14.10.314.10.3

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for ImageMagick/ImageMagick, ImageMagick/ImageMagick, Magick.NET-Q16-AnyCPU.
  2. 2Review the reported fix. Update ImageMagick/ImageMagick to 7.1.2-15; ImageMagick/ImageMagick to 6.9.13-40; Magick.NET-Q16-AnyCPU to 14.10.3; Magick.NET-Q16-arm64 to 14.10.3; Magick.NET-Q16-HDRI-AnyCPU to 14.10.3; Magick.NET-Q16-HDRI-arm64 to 14.10.3; Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.10.3; Magick.NET-Q16-HDRI-OpenMP-x64 to 14.10.3; Magick.NET-Q16-HDRI-x64 to 14.10.3; Magick.NET-Q16-HDRI-x86 to 14.10.3; Magick.NET-Q16-OpenMP-arm64 to 14.10.3; Magick.NET-Q16-OpenMP-x64 to 14.10.3; Magick.NET-Q16-OpenMP-x86 to 14.10.3; Magick.NET-Q16-x64 to 14.10.3; Magick.NET-Q16-x86 to 14.10.3; Magick.NET-Q8-AnyCPU to 14.10.3; Magick.NET-Q8-arm64 to 14.10.3; Magick.NET-Q8-OpenMP-arm64 to 14.10.3; Magick.NET-Q8-OpenMP-x64 to 14.10.3; Magick.NET-Q8-x64 to 14.10.3; Magick.NET-Q8-x86 to 14.10.3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jun 24, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
Upstream source description

ImageMagick before 7.1.2-15 contains a memory leak vulnerability in multiple coders that write raw pixel data where allocated objects are not properly freed. Attackers can trigger this leak by processing specially crafted images, causing memory exhaustion and denial of service.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-401
Source
CVE List V5
Source checked
Oct 29, 2026
References
6 linked sources
Open source record