CVE-2026-46559 — ImageMagick: Heap Buffer Over-Write of a single byte in the JP2 encoder

CVE-2026-46559

ImageMagick: Heap Buffer Over-Write of a single byte in the JP2 encoder PUBLISHED

Description (CNA)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an incorrect check in the JP2 will result in an heap buffer over-write of a single byte when specifying certain options. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Affected (CNA)

Vendor / product	Versions
ImageMagick / ImageMagick	affected < 6.9.13-48; affected < 7.1.2-23

CWE

CWE-193, CWE-787

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-533m-3wf6-c33v

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.