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medium5.3

CVE-2026-25638

ImageMagick has memory leak in msl encoder

Impact

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 packages

EcosystemPackageAffectedFixed in
nugetMagick.NET-Q16-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-x64< 14.10.314.10.3
nugetMagick.NET-Q16-HDRI-x86< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q16-OpenMP-x86< 14.10.314.10.3
nugetMagick.NET-Q16-arm64< 14.10.314.10.3
nugetMagick.NET-Q16-x64< 14.10.314.10.3
nugetMagick.NET-Q16-x86< 14.10.314.10.3
nugetMagick.NET-Q8-AnyCPU< 14.10.314.10.3
nugetMagick.NET-Q8-OpenMP-arm64< 14.10.314.10.3
nugetMagick.NET-Q8-OpenMP-x64< 14.10.314.10.3
nugetMagick.NET-Q8-arm64< 14.10.314.10.3
nugetMagick.NET-Q8-x64< 14.10.314.10.3
nugetMagick.NET-Q8-x86.NET-Q8-x64< 14.10.314.10.3

Affected products

VendorProductAffected versions
ImagemagickImagemagick
before 6.9.13-40
from 7.0.0-0 before 7.1.2-15

Weakness classification

CWE-401

References