CVE-2026-45359: ImageMagick: Out-of-Bounds Read in connected components when the user supplies an invalid keep-top define

May 18, 2026 (updated June 11, 2026)

An invalid connected-components:keep-top value could result in a heap buffer over-read when performing the connected components operation.

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhrh-72hq-w8m7
github.com/advisories/GHSA-vhrh-72hq-w8m7
nvd.nist.gov/vuln/detail/CVE-2026-45359

Code Behaviors & Features

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