ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float
The JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-40183US | medium5.5 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user sp… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/commit/1c7767fc5f822c6edc104c1220d523e96fa20b5aWEB
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19WEB
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4WEB
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-40183ADVISORY
scry
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