CVE-2026-25983: ImageMagick has Use After Free in MSLStartElement in "coders/msl.c"
A crafted MSL script triggers a heap-use-after-free. The operation element handler replaces and frees the image while the parser continues reading from it, leading to a UAF in ReadBlobString during further parsing.
References
- github.com/ImageMagick/ImageMagick
- github.com/ImageMagick/ImageMagick/commit/257200cb21de23404dce5f8261871845d425dee5
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-fwqw-2x5x-w566
- github.com/advisories/GHSA-fwqw-2x5x-w566
- github.com/dlemstra/Magick.NET/releases/tag/14.10.3
- nvd.nist.gov/vuln/detail/CVE-2026-25983
Code Behaviors & Features
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