Is CVE-2026-61861 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-61861 being exploited in the wild.

How severe is CVE-2026-61861?

Low severity, with a CVSS score of 3.7, published 11 July 2026.

Which products and versions are affected?

ImageMagick < 7.1.2-26; Magick.NET-Q16-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-HDRI-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; and 14 more.

Is there a fix for CVE-2026-61861?

Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.15.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-61861 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-61861?

Check whether you run ImageMagick, Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (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-2026-61861: ImageMagick use-after-free in FormatMagickCaption

Q: Which products and versions are affected?

ImageMagick < 7.1.2-26; Magick.NET-Q16-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-HDRI-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; and 14 more.

Q: Is there a fix for CVE-2026-61861?

Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.15.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-61861 attacked?

It is attacked over the network, in a software library.

Q: Am I affected by CVE-2026-61861?

Check whether you run ImageMagick, Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (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-2026-61861 · Severity: low · CVSS 3.7 · Published 2026-07-11

ImageMagick, a widely used software suite for displaying and editing images, contains a flaw in how it handles memory when processing image captions. If the software runs out of memory while performing this specific task, it may continue to reference data that has already been cleared, which can lead to a program crash or service instability. This could be used by an attacker to cause a denial of service, though the complexity required to trigger the bug makes it a lower-risk issue.

Quick answers

Is CVE-2026-61861 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-61861 being exploited in the wild.
How severe is CVE-2026-61861?: Low severity, with a CVSS score of 3.7, published 11 July 2026.
Which products and versions are affected?: ImageMagick < 7.1.2-26; Magick.NET-Q16-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; Magick.NET-Q16-HDRI-AnyCPU (NuGet) ECOSYSTEM:introduced=0,fixed=14.15.0; and 14 more.
Is there a fix for CVE-2026-61861?: Yes. Magick.NET-Q16-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q16-x86 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x64 (NuGet): upgrade to 14.15.0 or later; Magick.NET-Q8-x86 (NuGet): upgrade to 14.15.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-61861 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-61861?: Check whether you run ImageMagick, Magick.NET-Q16-AnyCPU (NuGet), Magick.NET-Q16-arm64 (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 14.15.0 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.15.0

Magick.NET-Q16-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.15.0

Magick.NET-Q16-HDRI-AnyCPU (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.15.0

Magick.NET-Q16-HDRI-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.15.0

Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.15.0

Magick.NET-Q16-HDRI-x64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.15.0

Magick.NET-Q16-HDRI-x86 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.15.0

Magick.NET-Q16-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.15.0

Magick.NET-Q16-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.15.0

Magick.NET-Q16-x64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-x64 --version 14.15.0

Magick.NET-Q16-x86 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q16-x86 --version 14.15.0

Magick.NET-Q8-AnyCPU (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.15.0

Magick.NET-Q8-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.15.0

Magick.NET-Q8-OpenMP-arm64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.15.0

Magick.NET-Q8-OpenMP-x64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.15.0

Magick.NET-Q8-x64 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-x64 --version 14.15.0

Magick.NET-Q8-x86 (NuGet): upgrade to 14.15.0 or later

dotnet add package Magick.NET-Q8-x86 --version 14.15.0

Technical details

A use-after-free (UAF) vulnerability exists in ImageMagick's FormatMagickCaption method. The flaw is triggered when a memory allocation failure occurs, leaving a dangling pointer that references previously freed memory. An attacker could potentially exploit this by forcing memory exhaustion or providing specific inputs that trigger allocation failures, leading to a crash (denial of service) or potentially arbitrary code execution. The vulnerability is considered low severity due to the high complexity required to reliably trigger the specific memory failure state. The issue is addressed in versions 7.1.2-26 and 6.9.13-51.

Affected products

ImageMagick ImageMagick < 7.1.2-26
ImageMagick ImageMagick < 6.9.13-51

Identifiers

CVE-2026-61861
GHSA-qvxh-prvr-85w2

Timeline

2026-06-26: advisory: GitHub Security Advisory published
2026-07-11: disclosed: NVD publication date

References

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