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CVE-2026-23952

ImageMagick has a NULL pointer dereference in MSL parser via <comment> tag before image load

Published: 1/22/2026 Last updated: 1/22/2026 Reserved: 1/19/2026

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions 14.10.1 and below have a NULL pointer dereference vulnerability in the MSL (Magick Scripting Language) parser when processing <comment> tags before images are loaded. This can lead to DoS attack due to assertion failure (debug builds) or NULL pointer dereference (release builds). This issue is fixed in version 14.10.2.

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

Metrics

Version Score Severity Vector String
3.1 6.5 Medium CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (2)

conf-libMagickCore ocsigen-start

Products affected (2)

Product Vendor Version
ImageMagick ImageMagick < 10.0.22631.4037
ImageMagick ImageMagick 15.2(4)GC1

References (4)