GitHub Advisoryadvisory · NuGet
GHSA-xgm3-v4r9-wfgm Image Magick has a Memory Leak in coders/ashlar.c
MEDIUM
Official page ↗
- Aliases
- CVE-2026-25969
- 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-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-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
Memory leak exists in `coders/ashlar.c`. The `WriteASHLARImage` allocates a structure. However, when an exception is thrown, the allocated memory is not properly released, resulting in a potential memory leak.
```
```bash
==78968== Memcheck, a memory error detector
==78968== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==78968== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info
==78968==
==78968== HEAP SUMMARY:
==78968== in use at exit: 17,232 bytes in 4 blocks
==78968== total heap usage: 4,781 allocs, 4,777 frees, 785,472 bytes allocated
```
Related
Alias · CVE (1)
- CVE-2026-25969 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-xgm3-v4r9-wfgm web
- https://nvd.nist.gov/vuln/detail/CVE-2026-25969 advisory
- https://github.com/ImageMagick/ImageMagick/commit/a253d1b124ebdcc2832daac6f9a35c362635b40e web
- https://github.com/ImageMagick/ImageMagick package
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3 web