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Qt — Vulnerabilities & Security Advisories 34

Browse all 34 CVE security advisories affecting Qt. AI-powered Chinese analysis, POCs, and references for each vulnerability.

This page aggregates security vulnerability data specifically for the vendor Qt. It collects disclosed security flaws affecting Qt products, libraries, and frameworks, covering a historical range that extends from early release cycles to the most recent stable and beta versions. Users can utilize this resource to track the frequency and severity of advisories issued by the vendor, understand specific weakness classes such as memory corruption, input validation errors, or logic flaws within the Qt ecosystem, and review the complete vulnerability history associated with particular components or modules. The compilation serves as a technical reference for security researchers, developers, and IT administrators aiming to assess risk exposure and patch management strategies for applications integrating Qt technologies. By centralizing these records, the page facilitates trend analysis and comparative security assessments without requiring navigation through disparate security bulletin archives.

Found 29 results / 34 Clear Filters
CVE ID Title CVSS Severity Published
CVE-2026-95620 Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt — qt CWE-416 2.1 Low 2026-10-23
CVE-2026-16762 Denial-of-service vulnerability in the Qt Core QXmlStream parser (QXmlStreamReader) impacts Qt — qt CWE-407 8.7 High 2026-10-23
CVE-2026-105923 Null-pointer dereference in QTriangulator reachable through VectorImage — Qt CWE-476 4.0 Medium 2026-10-21
CVE-2026-101201 QBinaryJson::fromBinaryData() integer overflow leading to OOB read — qt CWE-190 4.3 Medium 2026-10-20
CVE-2026-8168 Denial-of-service vulnerability in the SVG parser and renderer impacts Qt — qt CWE-674 7.1 High 2026-10-19
CVE-2026-79680 Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module — qt CWE-288 4.5 Medium 2026-09-24
CVE-2026-78253 Denial-of-service (stack-exhaustion) vulnerability in QXmlStreamReader::readElementText() impacts Qt — qt CWE-674 2.3 Low 2026-09-23
CVE-2026-79616 Out-of-bounds read vulnerability in Context2D.path and PathSvg.path properties impacts Qt Quick — qt CWE-125 0.6 Low 2026-09-23
CVE-2026-76151 Out-of-bounds read (buffer over-read) vulnerability in HTTP Cache-Control response header parsing impacts Qt Framework (QtNetwork module) — qt CWE-125 4.6 Medium 2026-09-16
CVE-2026-19248 Unbounded recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt — qt CWE-674 7.1 High 2026-09-16
CVE-2026-13326 Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module — qt CWE-125 6.9 Medium 2026-09-11
CVE-2026-11573 Uncontrolled recursion in QDomDocument/QDomNode serialization causes stack exhaustion (QtXml) — qt CWE-674 7.1 High 2026-09-08
CVE-2026-15037 XML injection vulnerability in QDom comment, CDATA and processing-instruction serialization — Qt CWE-91 2.9 Low 2026-07-23
CVE-2026-9499 Out-of-bounds read in QTextCodec::codecForName() in Qt — Qt CWE-125 - - 2026-07-21
CVE-2025-14575 Uncontrolled Search Path Element in Qt Network OpenSSL TLS backend allows rogue CA certificate loading — Qt CWE-427 1.8 Low 2026-05-19
CVE-2026-6210 Type confusion and heap-buffer-overflow in Qt SVG marker handling causing application crash — Qt CWE-843 8.7 High 2026-05-06
CVE-2025-14576 Possible QML code injection in VectorImage component — Qt CWE-94 7.4 High 2026-04-30
CVE-2025-12385 Improper validation of <img> tag size in Text component parser — Qt CWE-770 8.7 High 2025-12-03
CVE-2025-23050 Qt 缓冲区错误漏洞 — Qt CWE-125 3.1 Low 2025-10-31
CVE-2025-6338 Possible denial of service with multiple incoming connections to a Schannel based server with a TLS backend — Qt CWE-459 9.2 Critical 2025-10-16
CVE-2025-10729 Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG — Qt CWE-416 9.4 Critical 2025-10-03
CVE-2025-10728 Uncontrolled recursion in Qt SVG module — Qt CWE-674 9.4 Critical 2025-10-03
CVE-2025-5992 Passing values outside of expected range to QColorTransferGenericFunction can cause a denial of service — Qt CWE-20 2.3 Low 2025-07-11
CVE-2025-5991 Use after free in QHttp2ProtocolHandler — Qt CWE-416 2.1 Low 2025-06-11
CVE-2025-5683 Qt 安全漏洞 — Qt 5.1 Medium 2025-06-05
CVE-2025-5455 Possible denial of service when passing malformed data in a URL to qDecodeDataUrl — Qt CWE-20 8.4 High 2025-06-02
CVE-2025-4211 Improper Link Resolution Before File Access in QFileSystemEngine on Windows — Qt CWE-59 7.3 High 2025-05-16
CVE-2025-3512 Buffer overflow in QTextMarkdownImporter — Qt CWE-122 4.8 Medium 2025-04-11
CVE-2025-30348 Qt 安全漏洞 — Qt CWE-407 5.8 Medium 2025-03-21

This page lists every published CVE security advisory associated with Qt. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.