ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ImageMagick ImageMagick unaffected
Version Status Constraints
0 affected < 7.1.2-30
7.1.2-30 unaffected —
ImageMagick ImageMagick unaffected
Version Status Constraints
0 affected < 6.9.13-55
6.9.13-55 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Imagemagick Subscribe
Imagemagick Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x cve-icon cve-icon
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-memory-leak-via-msl-decoder cve-icon cve-icon
History

Mon, 07 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
Description ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.
Title ImageMagick before 7.1.2-30 Memory Leak via MSL decoder
First Time appeared Imagemagick
Imagemagick imagemagick
Weaknesses CWE-400
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: 2026-09-07T12:53:44.535Z

Reserved: 2026-09-07T12:33:13.368Z

Link: CVE-2026-86421

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-07T13:20:40.963

Modified: 2026-09-07T13:20:40.963

Link: CVE-2026-86421

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses