CVE-2026-96432Low· 2.1▾ SunlitA malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessM…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 11.6 · likelihood 0 · exploitation 0
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A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.
qt >= 6.8.0 <= 6.8.9qt >= 6.9.0 <= 6.11.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-107157Low· 2.0Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework
CVE-2026-95620Low· 2.1Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt
CVE-2026-16762High· 8.7Denial-of-service vulnerability in the Qt Core QXmlStream parser (QXmlStreamReader) impacts Qt
CVE-2023-51714Critical· 9.8An 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
CVE-2020-24742High· 7.8An 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.
CVE-2020-0570High· 7.3Uncontrolled 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.