VULNERABILITY INTELLIGENCE

CVE-2021-20312

CVSS score7.5 HIGH
EPSS probability2.38%
CISA KEVNot currently listed
Published2021-05-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.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.

Weakness classification

  • secalert@redhat.com: CWE-190

Primary references