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CVE-2026-56367 Details

Description

ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to information disclosure or a crash.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CNA: [email protected]CVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4	[email protected]	Vendor Advisory
https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding	[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	>= 6.9.0-0, < 6.9.13-40 >= 7.1.2-0, < 7.1.2-15
CPE cpe:2.3:a:imagemagick:imagemagick:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 26, 2026	Initial Analysis	[email protected]
Jun 22, 2026	CVE Modified	CISA-ADP
Jun 22, 2026	CVE Modified	[email protected]
Jun 21, 2026	New CVE Received	[email protected]