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HIGH severity

CVE-2026-49218 — Magick.NET-Q16-AnyCPU

HIGH

CVE-2026-49218 is a high-severity (CVSS 7.5) Improper Input Validation vulnerability in Magick.NET-Q16-AnyCPU. A fix is available for Magick.NET-Q16-AnyCPU — see the affected versions and patch details below.

ImageMagick: Policy Bypass in DCM decoder could result in image with invalid dimensions

Also known asGHSA-8pj9-6897-74xc
Published
Updated
Affected
17 pkgs
Patched
17 / 17
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-49218.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs28th percentile — riskier than 28% of all scored CVEsHighest risk
0.00%0.38%0.75%1.13%0.3%0.3%Jul 26Oct 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

17 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+9 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

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check in the DCM decoder could result in an image with invalid dimensions and that could cause crashes in other operation. This issue has been patched in versions 6.9.13-48 and 7.1.2-24.

Affected Packages

17 total 17 fixed
EcosystemPackageVulnerable rangeFix
.NETNuGetMagick.NET-Q16-AnyCPUall versions14.14.0dotnet add package Magick.NET-Q16-AnyCPU --version 14.14.0
.NETNuGetMagick.NET-Q16-HDRI-AnyCPUall versions14.14.0dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.14.0
.NETNuGetMagick.NET-Q16-HDRI-OpenMP-arm64all versions14.14.0dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.14.0
.NETNuGetMagick.NET-Q16-HDRI-arm64all versions14.14.0dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.14.0
.NETNuGetMagick.NET-Q16-HDRI-x64all versions14.14.0dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.14.0
.NETNuGetMagick.NET-Q16-HDRI-x86all versions14.14.0dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.14.0

Affected Products

1 product · 2 configurations
Application
imagemagickimagemagick
≥ 7.0.0-0 && < 7.1.2-24
range

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 14.14.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-49218 is resolved across your whole dependency graph.

  3. Workarounds

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatImportant

``` It is important to note that ImageMagick has been removed from Red Hat Enterprise Linux 8 and later releases. Therefore, current supported RHEL 8 and newer systems are not affected by this issue unless ImageMagick is installed from third-party or custom repositories. For additional information, refer to…

Workaround published by Red Hat
Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when they become available.
Source: Red Hat security advisory for CVE-2026-49218 (CC BY 4.0)
ProductFixed inAdvisory
Red Hat Enterprise Linux 7 Extended Lifecycle SupportImageMagick-0:6.9.10.68-17.el7_9RHSA-2026:32961

Frequently Asked Questions

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check in the DCM decoder could result in an image with invalid dimensions and that could cause crashes in other operation. This issue has been patched in versions 6.9.13-48 and 7.1.2-24.
O3 Security · Impact-Aware SCA

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CVE-2026-49218: Magick.NET-Q16 — Fixed in 14.14.0