CVE-2021-20245

MEDIUM

ImageMagick < 6.9.11-62 - Denial of Service via Division by Zero in WebP Coder

Title source: llm
STIX 2.1

Description

A flaw was found in ImageMagick in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.

References (4)

Core 4
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1928943
Issue Tracking, Patch, Third Party Advisory
https://github.com/ImageMagick/ImageMagick/issues/3176

Scores

CVSS v3 5.5
EPSS 0.0120
EPSS Percentile 64.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-369
Status published
Products (6)
debian/debian_linux 9.0
fedoraproject/fedora 33
imagemagick/imagemagick < 6.9.11-62
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
Published Mar 09, 2021
Tracked Since Feb 18, 2026