CVE-2021-20311

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.

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
May 11, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20311: High severity, CVSS 7.5 | Vulnix