Is CVE-2026-46523 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-46523 being exploited in the wild.

How severe is CVE-2026-46523?

Medium severity, with a CVSS score of 6.2, published 10 June 2026.

Which products and versions are affected?

Magick.NET-Q16-AnyCPU (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-arm64 (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-HDRI-AnyCPU (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-HDRI-arm64 (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; and 14 more.

Is there a fix for CVE-2026-46523?

Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-46523 attacked?

It is attacked with local access, in a software library.

Am I affected by CVE-2026-46523?

Check whether you run Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (NuGet), Magick.NET-Q16-HDRI-AnyCPU (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-46523: ImageMagick heap use-after-free in MSL decoder

Q: Is there a fix for CVE-2026-46523?

Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-46523 attacked?

It is attacked with local access, in a software library.

Q: Am I affected by CVE-2026-46523?

Check whether you run Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (NuGet), Magick.NET-Q16-HDRI-AnyCPU (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-46523 · Severity: medium · CVSS 6.2 · Published 2026-06-10

ImageMagick is a widely used open-source tool for editing and converting digital images. A flaw in how it processes specific image script files (MSL) could allow an attacker to crash the software or disrupt operations. This could lead to a denial-of-service for applications that rely on ImageMagick to process user-uploaded images.

Quick answers

Is CVE-2026-46523 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-46523 being exploited in the wild.
How severe is CVE-2026-46523?: Medium severity, with a CVSS score of 6.2, published 10 June 2026.
Which products and versions are affected?: Magick.NET-Q16-AnyCPU (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-arm64 (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-HDRI-AnyCPU (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; Magick.NET-Q16-HDRI-arm64 (NuGet) < 14.13.1, ECOSYSTEM:introduced=0,fixed=14.13.1; and 14 more.
Is there a fix for CVE-2026-46523?: Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.13.1 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-46523 attacked?: It is attacked with local access, in a software library.
Am I affected by CVE-2026-46523?: Check whether you run Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (NuGet), Magick.NET-Q16-HDRI-AnyCPU (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.13.1

Magick.NET-Q16-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.13.1

Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.13.1

Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.13.1

Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.13.1

Magick.NET-Q16-HDRI-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-x64 --version 14.13.1

Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.13.1

Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.13.1

Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.13.1

Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.13.1

Magick.NET-Q16-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-x64 --version 14.13.1

Magick.NET-Q16-x86 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q16-x86 --version 14.13.1

Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.13.1

Magick.NET-Q8-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.13.1

Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.13.1

Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.13.1

Magick.NET-Q8-x64 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-x64 --version 14.13.1

Magick.NET-Q8-x86 (NuGet): upgrade to 14.13.1 or later

dotnet add package Magick.NET-Q8-x86 --version 14.13.1

Technical details

A heap-based use-after-free vulnerability exists in the Magick Scripting Language (MSL) decoder of ImageMagick. The vulnerability is triggered when processing a specially crafted MSL image file, leading to memory corruption. An attacker with the ability to provide a malicious MSL file to the library can cause a denial-of-service (application crash). The issue is identified as CWE-416 and affects versions prior to 7.1.2-23 and 6.9.13-48. Patches have been released in versions 7.1.2-23 and 6.9.13-48 to address the root cause in the MSL decoder.

Affected products

ImageMagick ImageMagick < 7.1.2-23, < 6.9.13-48

Identifiers

CVE-2026-46523
GHSA-5r4x-w6p5-222q

Timeline

2026-05-17: advisory: GitHub Security Advisory published
2026-06-10: disclosed: NVD publication date

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5r4x-w6p5-222q

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