CVE-2026-23952: ImageMagick has a NULL pointer dereference in MSL parser via <comment> tag before image load

January 21, 2026

NULL pointer dereference in MSL (Magick Scripting Language) parser when processing <comment> tag before any image is loaded.

References

github.com/ImageMagick/ImageMagick
github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5vx3-wx4q-6cj8
github.com/advisories/GHSA-5vx3-wx4q-6cj8
github.com/dlemstra/Magick.NET/releases/tag/14.10.2
nvd.nist.gov/vuln/detail/CVE-2026-23952

Code Behaviors & Features

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