CVE-2021-20310

Updated: 2026-02-27 00:20:31.378826

Description:

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


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x HIGH 7.8
CVSS Version 3.x HIGH 7.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

CentOS 7 ELS ImageMagick 6.9.10.68 7.5 HIGH Not Vulnerable 2024-04-25 21:42:30 Not affected: CVE-2021-20310 targets a divide-by-zero in the ConvertXYZToJzazbz() routine within Mag...
Ubuntu 16.04 ELS ImageMagick 6.8.9.9-7 7.5 HIGH Not Vulnerable 2021-11-02 14:03:16 Not affected: ImageMagick 6.8.9.9 does not include the Jzazbz colorspace implementation or the Conve...
Ubuntu 18.04 ELS ImageMagick 6.9.7.4 7.5 HIGH Not Vulnerable 2023-06-14 09:07:22 Not affected — this flaw targets ImageMagick 7’s Jzazbz colorspace implementation (ConvertXYZToJ...