GitHub Advisoryadvisory · NuGet
GHSA-gm37-qx7w-p258 ImageMagick: Possible memory leak in ASHLAR encoder
MEDIUM
Official page ↗
- Aliases
- CVE-2026-25637
- Ecosystem
- NuGet
- Packages
- Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU, Magick.NET-Q16-HDRI-OpenMP-arm64, Magick.NET-Q16-HDRI-OpenMP-x64, Magick.NET-Q16-HDRI-arm64, Magick.NET-Q16-HDRI-x64, Magick.NET-Q16-HDRI-x86, Magick.NET-Q16-OpenMP-arm64, Magick.NET-Q16-OpenMP-x64, Magick.NET-Q16-OpenMP-x86, Magick.NET-Q16-arm64, Magick.NET-Q16-x64, Magick.NET-Q16-x86, Magick.NET-Q8-AnyCPU, Magick.NET-Q8-OpenMP-arm64, Magick.NET-Q8-OpenMP-x64, Magick.NET-Q8-arm64, Magick.NET-Q8-x64, Magick.NET-Q8-x86
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-401
- Reviewed
- 2026-02-24
Affected packages
• NuGet Magick.NET-Q16-AnyCPU: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-AnyCPU: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-OpenMP-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-OpenMP-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-HDRI-x86: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-OpenMP-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-OpenMP-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-OpenMP-x86: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q16-x86: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-AnyCPU: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-OpenMP-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-OpenMP-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-arm64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-x64: < 14.10.3 → fixed in 14.10.3
• NuGet Magick.NET-Q8-x86: < 14.10.3 → fixed in 14.10.3
Description
A memory leak in the ASHLAR image writer allows an attacker to exhaust process memory by providing a crafted image that results in small objects that are allocated but never freed.
```
==880062== Memcheck, a memory error detector
==880062== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==880062== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==880062==
==880062==
==880062== HEAP SUMMARY:
==880062== in use at exit: 386,826 bytes in 696 blocks
==880062== total heap usage: 30,523 allocs, 29,827 frees, 21,803,756 bytes allocated
==880062==
==880062== LEAK SUMMARY:
==880062== definitely lost: 3,408 bytes in 3 blocks
==880062== indirectly lost: 88,885 bytes in 30 blocks
==880062== possibly lost: 140,944 bytes in 383 blocks
==880062== still reachable: 151,573 bytes in 259 blocks
==880062== suppressed: 0 bytes in 0 blocks
==880062== Reachable blocks (those to which a pointer was found) are not shown.
==880062== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==880062==
==880062== For lists of detected and suppressed errors, rerun with: -s
==880062== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)
```
Related
Alias · CVE (1)
- CVE-2026-25637 ImageMagick is free and open-source software used for editing and manipulating digital images. vulnerability
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gm37-qx7w-p258 web
- https://nvd.nist.gov/vuln/detail/CVE-2026-25637 advisory
- https://github.com/ImageMagick/ImageMagick/commit/30ce0e8efbd72fd6b50ed3a10ae22f57c8901137 web
- https://github.com/ImageMagick/ImageMagick package
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3 web