GHSA-xgm3-v4r9-wfgmMediumCVSS 5.3

Image Magick has a Memory Leak in coders/ashlar.c

Published
February 24, 2026
Last Modified
February 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-25969 →

📋 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

🎯 Affected products18

  • nuget/Magick.NET-Q16-AnyCPU:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-AnyCPU:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-OpenMP-arm64:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-OpenMP-x64:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-arm64:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-x64:< 14.10.3
  • nuget/Magick.NET-Q16-HDRI-x86:< 14.10.3
  • nuget/Magick.NET-Q16-OpenMP-arm64:< 14.10.3
  • nuget/Magick.NET-Q16-OpenMP-x64:< 14.10.3
  • nuget/Magick.NET-Q16-OpenMP-x86:< 14.10.3
  • nuget/Magick.NET-Q16-arm64:< 14.10.3
  • nuget/Magick.NET-Q16-x86:< 14.10.3
  • nuget/Magick.NET-Q8-AnyCPU:< 14.10.3
  • nuget/Magick.NET-Q8-OpenMP-arm64:< 14.10.3
  • nuget/Magick.NET-Q8-OpenMP-x64:< 14.10.3
  • nuget/Magick.NET-Q8-arm64:< 14.10.3
  • nuget/Magick.NET-Q8-x64:< 14.10.3
  • nuget/Magick.NET-Q8-x86:< 14.10.3

🔗 References (5)