CVE-2021-20224

MEDIUM

Imagemagick < 6.9.11-57 - Integer Overflow

Title source: rule
STIX 2.1

Description

An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c. Function calls to GetPixelIndex() could result in values outside the range of representable for the 'unsigned char'. When ImageMagick processes a crafted pdf file, this could lead to an undefined behaviour or a crash.

Scores

CVSS v3 5.5
EPSS 0.0003
EPSS Percentile 9.7%
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-190
Status published
Products (1)
imagemagick/imagemagick < 6.9.11-57
Published Aug 25, 2022
Tracked Since Feb 18, 2026