CVE-2021-3481

HIGH

QT - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability.

Scores

CVSS v3 7.1
EPSS 0.0006
EPSS Percentile 19.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (4)
qt/qt 5.15.1
qt/qt 6.0.0
qt/qt 6.0.2
qt/qt 6.2.0
Published Aug 22, 2022
Tracked Since Feb 18, 2026