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Products by Qt Sorted by Most Security Vulnerabilities since 2018

Qt45 vulnerabilities

Qtbase1 vulnerability

Qtsvg1 vulnerability

Qtwebkit1 vulnerability

By the Year

In 2024 there have been 0 vulnerabilities in Qt . Last year Qt had 12 security vulnerabilities published. Right now, Qt is on track to have less security vulnerabilities in 2024 than it did last year.

Year Vulnerabilities Average Score
2024 0 0.00
2023 12 7.11
2022 3 6.70
2021 2 7.65
2020 6 7.18
2019 2 4.90
2018 6 7.98

It may take a day or so for new Qt vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Qt Security Vulnerabilities

An issue was discovered in the HTTP2 implementation in Qt before 5.15.17

CVE-2023-51714 9.8 - Critical - December 24, 2023

An issue was discovered in the HTTP2 implementation in Qt before 5.15.17, 6.x before 6.2.11, 6.3.x through 6.5.x before 6.5.4, and 6.6.x before 6.6.2. network/access/http2/hpacktable.cpp has an incorrect HPack integer overflow check.

Integer Overflow or Wraparound

In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can be an application crash in QXmlStreamReader via a crafted XML string

CVE-2023-37369 7.5 - High - August 20, 2023

In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can be an application crash in QXmlStreamReader via a crafted XML string that triggers a situation in which a prefix is greater than a length.

Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0, 6.0.2, and 6.2

CVE-2021-28025 5.5 - Medium - August 11, 2023

Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0, 6.0.2, and 6.2, allows local attackers to cause a denial of service (DoS).

Integer Overflow or Wraparound

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3

CVE-2023-38197 7.5 - High - July 13, 2023

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3. There are infinite loops in recursive entity expansion.

Infinite Loop

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2

CVE-2023-34410 5.3 - Medium - June 05, 2023

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate.

Improper Certificate Validation

An issue was discovered in Qt before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1

CVE-2023-32762 5.3 - Medium - May 28, 2023

An issue was discovered in Qt before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. Qt Network incorrectly parses the strict-transport-security (HSTS) header, allowing unencrypted connections to be established, even when explicitly prohibited by the server. This happens if the case used for this header does not exactly match.

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1

CVE-2023-32763 7.5 - High - May 28, 2023

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. When a SVG file with an image inside it is rendered, a QTextLayout buffer overflow can be triggered.

Classic Buffer Overflow

An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1

CVE-2023-33285 5.3 - Medium - May 22, 2023

An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.

Out-of-bounds Read

In Qt before 5.15.14

CVE-2023-32573 6.5 - Medium - May 10, 2023

In Qt before 5.15.14, 6.0.x through 6.2.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1, QtSvg QSvgFont m_unitsPerEm initialization is mishandled.

Divide By Zero

Qt before 6.4.3 allows a denial of service via a crafted string when the SQL ODBC driver plugin is used and the size of SQLTCHAR is 4

CVE-2023-24607 7.5 - High - April 15, 2023

Qt before 6.4.3 allows a denial of service via a crafted string when the SQL ODBC driver plugin is used and the size of SQLTCHAR is 4. The affected versions are 5.x before 5.15.13, 6.x before 6.2.8, and 6.3.x before 6.4.3.

An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2

CVE-2022-40983 8.8 - High - January 12, 2023

An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an integer overflow during memory allocation, which can lead to arbitrary code execution. Target application would need to access a malicious web page to trigger this vulnerability.

Integer Overflow or Wraparound

A buffer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2

CVE-2022-43591 8.8 - High - January 12, 2023

A buffer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an out-of-bounds memory access, which can lead to arbitrary code execution. Target application would need to access a malicious web page to trigger this vulnerability.

Heap-based Buffer Overflow

A flaw was found in Qt

CVE-2021-3481 7.1 - High - August 22, 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.

Out-of-bounds Read

Qt through 5.15.8 and 6.x through 6.2.3 can load system library files

CVE-2022-25634 7.5 - High - March 02, 2022

Qt through 5.15.8 and 6.x through 6.2.3 can load system library files from an unintended working directory.

Directory traversal

Qt SVG in Qt 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 has an out-of-bounds write in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend (called

CVE-2021-45930 5.5 - Medium - January 01, 2022

Qt SVG in Qt 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 has an out-of-bounds write in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend (called from QPainterPath::addPath and QPathClipper::intersect).

Memory Corruption

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called

CVE-2021-38593 7.5 - High - August 12, 2021

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).

Memory Corruption

An issue has been fixed in Qt versions 5.14.0 where QPluginLoader attempts to load plugins relative to the working directory

CVE-2020-24742 7.8 - High - August 09, 2021

An issue has been fixed in Qt versions 5.14.0 where QPluginLoader attempts to load plugins relative to the working directory, allowing attackers to execute arbitrary code via crafted files.

Out of bounds write in Intel(R) PROSet/Wireless WiFi products on Windows 10 may

CVE-2020-0569 5.7 - Medium - November 23, 2020

Out of bounds write in Intel(R) PROSet/Wireless WiFi products on Windows 10 may allow an authenticated user to potentially enable denial of service via local access.

Memory Corruption

Uncontrolled search path in the QT Library before 5.14.0, 5.12.7 and 5.9.10 may

CVE-2020-0570 7.3 - High - September 14, 2020

Uncontrolled search path in the QT Library before 5.14.0, 5.12.7 and 5.9.10 may allow an authenticated user to potentially enable elevation of privilege via local access.

Untrusted Path

An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1

CVE-2020-17507 5.3 - Medium - August 12, 2020

An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1. read_xbm_body in gui/image/qxbmhandler.cpp has a buffer over-read.

Out-of-bounds Read

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