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Moderate severityNVD Advisory· Published Feb 24, 2026· Updated Feb 26, 2026

ImageMagick has memory leak of watermark Image object in ReadSTEGANOImage on multiple error/early-return paths

CVE-2026-25796

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, in ReadSTEGANOImage() (coders/stegano.c), the watermark Image object is not freed on three early-return paths, resulting in a definite memory leak (~13.5KB+ per invocation) that can be exploited for denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
Magick.NET-Q16-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-OpenMP-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-HDRI-x86NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-OpenMP-x86NuGet
< 14.10.314.10.3
Magick.NET-Q16-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q16-x64NuGet
< 14.10.314.10.3
Magick.NET-Q16-x86NuGet
< 14.10.314.10.3
Magick.NET-Q8-AnyCPUNuGet
< 14.10.314.10.3
Magick.NET-Q8-OpenMP-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q8-arm64NuGet
< 14.10.314.10.3
Magick.NET-Q8-x64NuGet
< 14.10.314.10.3
Magick.NET-Q8-x86NuGet
< 14.10.314.10.3

Affected products

35

Patches

Vulnerability mechanics

References

5

News mentions

0

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