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CVE-2026-105946

5.3 medium Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 06:45
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 15:03
  3. StatusReceived → PublishedNVD modified 2026-10-27 06:45
  4. First seenCVSS 5.3NVD modified 2026-10-27 07:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4