CVE-2026-86421

Low

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.

SeverityLow

CVSS3.7

Exploit probability—

ProductImagemagick

PublishedSep 7, 2026

First seenSep 7, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

imagemagick imagemagick6.9.13-55, 7.1.2-30 or later

Vendor advisories

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x

Affected products

Product	Affected versions	Fixed in
imagemagick imagemagick	v < 6.9.13-55, 7.0.0-0 ≤ v < 7.1.2-30	6.9.13-55, 7.1.2-30

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