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CVE-2026-56361 Details

Description

ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CNA: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q8h3-jv9v-57qx	[email protected]	Vendor Advisory
https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-via-off-by-one-in-morphology-processing	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
imagemagick imagemagick	< 6.9.13-44 >= 7.0.0-0, < 7.1.2-19
CPE cpe:2.3:a:imagemagick:imagemagick:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 2, 2026	Initial Analysis	[email protected]
Jul 1, 2026	CVE Modified	CISA-ADP
Jun 30, 2026	New CVE Received	[email protected]