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Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a 32-bit unsigned integer overflow in the XWD (X Windows) encoder can cause an undersized heap buffer allocation. When writing a extremely large image an out of bounds heap write can occur. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.

PUBLISHED Reserved 2026-03-07 | Published 2026-03-09 | Updated 2026-03-10 | Assigner GitHub_M




MEDIUM: 6.8CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Problem types

CWE-122: Heap-based Buffer Overflow

CWE-190: Integer Overflow or Wraparound

Product status

>= 7.0.0, < 7.1.2-16
affected

< 6.9.13-41
affected

References

github.com/...Magick/security/advisories/GHSA-qpg4-j99f-8xcg

cve.org (CVE-2026-30937)

nvd.nist.gov (CVE-2026-30937)

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