CVE-2026-55597: ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments

July 24, 2026

Due to incorrect handling of arguments a heap buffer over-write can occur in the JP2 encoder.

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4
github.com/advisories/GHSA-c4v7-w88g-m6c4
github.com/dlemstra/Magick.NET/releases/tag/14.15.0
nvd.nist.gov/vuln/detail/CVE-2026-55597

Code Behaviors & Features

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