ImageMagick has memory leak in msl encoder
Memory leak exists in coders/msl.c. In the WriteMSLImage function of the msl.c file, resources are allocated. But the function returns early without releasing these allocated resources.
==78983== Memcheck, a memory error detector
==78983== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==78983== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info
==78983==
==78983== 177,196 (13,512 direct, 163,684 indirect) bytes in 1 blocks are definitely lost in loss record 21 of 21
==78983== at 0x4846828: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Magick.NET-Q16-AnyCPU | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-AnyCPU | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-x86 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-x86 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q16-x86 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-AnyCPU | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-x64 | < 14.10.3 | 14.10.3 |
| .NET (NuGet) | Magick.NET-Q8-x86.NET-Q8-x64 | < 14.10.3 | 14.10.3 |
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gxcx-qjqp-8vjw
- https://nvd.nist.gov/vuln/detail/CVE-2026-25638
- https://github.com/ImageMagick/ImageMagick/commit/1e88fca11c7b8517100d518bc99bd8c474f02f88
- https://github.com/ImageMagick/ImageMagick
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-401- Platform
- .NET (NuGet)
- Package
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-arm64, Magick.NET-Q16-HDRI-AnyCPU- Disclosed
- 24.02.2026
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-gxcx-qjqp-8vjw - CC BY 4.0
Vulnerability history: Magick.NET-Q16-HDRI-x64
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 160
- First → latest
- 07.2025 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 24
- Medium 96
- Low 40
Disclosures per year
- 2025: 14
- 2026: 146
-
ImageMagick has memory leak in msl encoder this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.