CVE-2026-86421

HighCVSS 7.5/10Last modified Sep 9, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 7, 2026
Last modified
Sep 9, 2026
NVD status
Analyzed

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CVE-2026-86421: High severity, CVSS 7.5 | Vulnix