ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4680-1 imagemagick security update
Debian DSA Debian DSA DSA-6383-1 imagemagick security update
Github GHSA Github GHSA GHSA-2gq3-ww97-wfjm ImageMagick has a possible heap Use After Free vulnerability in its meta coder
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 25 Jun 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-825
References
Metrics threat_severity

None

threat_severity

Low


Tue, 23 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 23 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
Description ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.
Title ImageMagick - Heap Use-After-Free in Meta Coder
First Time appeared Imagemagick
Imagemagick imagemagick
Weaknesses CWE-416
CPEs cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Vendors & Products Imagemagick
Imagemagick imagemagick
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-23T13:06:10.787Z

Reserved: 2026-06-21T02:05:47.495Z

Link: CVE-2026-56376

cve-icon Vulnrichment

Updated: 2026-06-23T13:06:05.780Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-23T13:16:46.397

Modified: 2026-06-24T14:41:30.637

Link: CVE-2026-56376

cve-icon Redhat

Severity : Low

Publid Date: 2026-06-23T12:13:04Z

Links: CVE-2026-56376 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-25T03:00:10Z

Weaknesses