CVE-2021-20311

HIGH

Imagemagick < 7.0.11-0 - Divide By Zero

Title source: rule

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.

References (1)

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1946739

Scores

CVSS v3 7.5

EPSS 0.0013

EPSS Percentile 31.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-369

Status published

Affected Products (1)

imagemagick/imagemagick < 7.0.11-0

Timeline

Published May 11, 2021

Tracked Since Feb 18, 2026