High severity · published Aug 22, 2022
CVE-2021-3481
A flaw was found in Qt
7.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
QT · QT
5.15.1; 6.0.0; 6.0.2; 6.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3481
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3481
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3481
Exploit
https://bugreports.qt.io/browse/QTBUG-91507
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1931444
Vendor Advisory
https://codereview.qt-project.org/c/qt/qtsvg/+/337646
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
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