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MEDIUM severity

GHSA-98cp-rj9f-6v5g Magick.NET-Q16-AnyCPU

MEDIUM

GHSA-98cp-rj9f-6v5g is a medium-severity (CVSS 6.9) remote code execution vulnerability in Magick.NET-Q16-AnyCPU. A fix is available for Magick.NET-Q16-AnyCPU — see the affected versions and patch details below.

ImageMagick has has a stack-buffer-overflow in MNG encoder with oversized pallete

Published
Apr 14, 2026
Updated
Apr 16, 2026
Affected
18 pkgs
Patched
18 / 18
Exploits
None indexed
Exploitation data as of Apr 16, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

18 pkgs affected
.NETMagick.NET-Q16-AnyCPU.NETMagick.NET-Q16-HDRI-AnyCPU.NETMagick.NET-Q16-HDRI-OpenMP-arm64.NETMagick.NET-Q16-HDRI-arm64.NETMagick.NET-Q16-HDRI-x64.NETMagick.NET-Q16-HDRI-x86.NETMagick.NET-Q16-OpenMP-arm64.NETMagick.NET-Q16-OpenMP-x64+10 more

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects NuGet packages — download data is not available via public APIs for these ecosystems.

Description

The patch for GHSA-7h7q-j33q-hvpf was incomplete and still allows a stack buffer overflow for the multi frame images.

Affected Packages

18 total 18 fixed
EcosystemPackageVulnerable rangeFix
.NETNuGetMagick.NET-Q16-AnyCPUall versions14.12.0dotnet add package Magick.NET-Q16-AnyCPU --version 14.12.0
.NETNuGetMagick.NET-Q16-HDRI-AnyCPUall versions14.12.0dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.12.0
.NETNuGetMagick.NET-Q16-HDRI-OpenMP-arm64all versions14.12.0dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.12.0
.NETNuGetMagick.NET-Q16-HDRI-arm64all versions14.12.0dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.12.0
.NETNuGetMagick.NET-Q16-HDRI-x64all versions14.12.0dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.12.0
.NETNuGetMagick.NET-Q16-HDRI-x86all versions14.12.0dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.12.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for Magick.NET-Q16-AnyCPU, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update Magick.NET-Q16-AnyCPU to 14.12.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-98cp-rj9f-6v5g is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-98cp-rj9f-6v5g can be triaged on real exposure rather than presence alone.

Tailored to GHSA-98cp-rj9f-6v5g. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

The patch for GHSA-7h7q-j33q-hvpf was incomplete and still allows a stack buffer overflow for the multi frame images.
O3 Security · Impact-Aware SCA

Is GHSA-98cp-rj9f-6v5g in your dependencies?

O3 Security finds GHSA-98cp-rj9f-6v5g across NuGet dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-98cp-rj9f-6v5g: Medium 6.9 severity | O3 Security