ImageMagick has memory leak in msl encoder

Description

==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)

References

• ImageMagick/ImageMagick security advisory · WEB
• nvd.nist.gov/vuln/detail/CVE-2026-25638 · ADVISORY
• ImageMagick/ImageMagick commit 1e88fca · WEB
• ImageMagick/ImageMagick · PACKAGE
• dlemstra/Magick.NET release 14.10.3 · WEB

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