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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-105946

Out-of-bounds read vulnerability in NTLM authentication handling impacts Qt

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Qt

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

qt qt

Default version status: unaffected

  • 0 to < 6.8.0unknown
  • 6.8.0 to < 6.8.10affected
  • 6.9.0 to < 6.11.2affected

References