# CVE-2026-61871: ImageMagick memory leak in ICON decoder

Source: https://junglewise.ai/threats/cve-2026-61871-imagemagick-memory-leak-in-icon-decoder  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-15. Updated: 2026-07-15  
License: CC BY 4.0 with a link back

CVE-2026-61871 · Severity: low · CVSS 3.7 · Published 2026-07-15

ImageMagick is a widely used software suite for displaying, converting, and editing image files. A flaw in how it handles ICON files can cause the system to leak memory if a specific memory error occurs during processing. An attacker could use a specially crafted image to slowly consume system resources, potentially causing the application to crash or become unresponsive.

Technologies: [ImageMagick](https://junglewise.ai/threats/technologies/imagemagick), [Magick.NET-Q16-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-anycpu), [Magick.NET-Q16-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-arm64), [Magick.NET-Q16-HDRI-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-anycpu), [Magick.NET-Q16-HDRI-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-arm64), [Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-openmp-arm64), [Magick.NET-Q16-HDRI-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x64), [Magick.NET-Q16-HDRI-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x86), [Magick.NET-Q16-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-arm64), [Magick.NET-Q16-OpenMP-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-x64), [Magick.NET-Q16-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-x64), [Magick.NET-Q16-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-x86), [Magick.NET-Q8-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-anycpu), [Magick.NET-Q8-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-arm64), [Magick.NET-Q8-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-openmp-arm64), [Magick.NET-Q8-OpenMP-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-openmp-x64), [Magick.NET-Q8-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-x64), [Magick.NET-Q8-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-x86). Vendors: [ImageMagick](https://junglewise.ai/threats/vendors/imagemagick), [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2026-61871 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-61871 being exploited in the wild.

**How severe is CVE-2026-61871?** Low severity, with a CVSS score of 3.7, published 15 July 2026.

**Which products and versions are affected?** ImageMagick < 7.1.2-26, < 6.9.13-51; 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-2026-61871?** 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-2026-61871 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-61871?** 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

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

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

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

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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

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

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

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

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

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

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

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

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

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

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

  ```sh
  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

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

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

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

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

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


## Technical details

A memory leak vulnerability (CWE-401) exists in the ICON decoder of ImageMagick versions prior to 7.1.2-26 and 6.9.13-51. The issue is triggered when a memory allocation failure occurs during the decoding process, failing to release previously allocated resources. An attacker can exploit this by providing a specially crafted ICON file designed to trigger these allocation failures. While the attack complexity is high, successful exploitation allows for gradual memory exhaustion, leading to a denial of service (DoS) condition. The issue has been patched in versions 7.1.2-26 and 6.9.13-51.

## Affected products

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

## Identifiers

- CVE-2026-61871
- GHSA-h58x-r7f7-rh84

## Timeline

- 2026-06-26: advisory: GitHub Security Advisory published
- 2026-07-15: disclosed: CVE published to NVD dataset

## References

- [https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h58x-r7f7-rh84](https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h58x-r7f7-rh84)
- [https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-icon-decoder](https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-icon-decoder)

## Related threats

- [ImageMagick infinite loop in SVG decoder](https://junglewise.ai/threats/cve-2026-123273-imagemagick-before-7-1-2-35-and-6-9-13-60-contains-an-infinite)
- [ImageMagick memory leak in XMP profile handling](https://junglewise.ai/threats/cve-2026-116155-imagemagick-before-6-9-13-58-and-7-x-before-7-1-2-33-contains-a)
- [ImageMagick memory leak in XML parsing depth limit](https://junglewise.ai/threats/cve-2026-116154-imagemagick-before-6-9-13-58-and-7-x-before-7-1-2-33-contains-a)
- [ImageMagick memory leak in MAT decoder](https://junglewise.ai/threats/cve-2026-116152-imagemagick-before-7-1-2-33-contains-a-memory-leak-vulnerability)
- [ImageMagick stack buffer overflow in bzip2 decompression](https://junglewise.ai/threats/cve-2026-116149-imagemagick-before-6-9-13-58-and-7-x-before-7-1-2-33-contains-a)