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CVE-2026-25638

ImageMagick has memory leak in msl encoder

Published: 2/24/2026 Last updated: 6/23/2026 Reserved: 2/4/2026

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, 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. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

CNA assigner: GitHub_M (a0819718-46f1-4df5-94e2-005712e83aaa) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 5.3 Medium CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Opam packages affected (2)

conf-libMagickCore ocsigen-start

Products affected (2)

Product Vendor Version
ImageMagick ImageMagick 2008 R2 for Itanium-Based Systems Service Pack 1
ImageMagick ImageMagick < 5.6.2

References (2)