MEDIUM 5.3 NVD
CVE-2026-105946
Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive inform
Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application crash) via a crafted NTLM challenge sent by a malicious server or proxy, when an application using QNetworkAccessManager or QTcpSocket authenticates with NTLM.
References
- https://codereview.qt-project.org/c/qt/qtbase/+/744448
- https://codereview.qt-project.org/c/qt/qtbase/+/745457
- https://codereview.qt-project.org/c/qt/qtbase/+/745464
- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-105946:
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-27 via NVD.
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