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CVE-2021-3481

Date: August 21, 2022

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.

Language: C++

Severity Score

Related Resources (12)

https://bugzilla.redhat.com/show_bug.cgi?id=1931444
https://github.com/qt/qtsvg/commit/bfd6ee0d8cf34b63d32adf10ed93daa0086b359f
https://bugreports.qt.io/browse/QTBUG-91507
https://nvd.nist.gov/vuln/detail/CVE-2021-3481
https://access.redhat.com/security/cve/CVE-2021-3481
https://security-tracker.debian.org/tracker/CVE-2021-3481
https://security.archlinux.org/CVE-2021-3481
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3481
https://codereview.qt-project.org/c/qt/qtsvg/+/337646
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31668
https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
https://www.mend.io/vulnerability-database/CVE-2021-3481

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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