CVE-2026-105946Published

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

Exact source revision recorded 27 Oct 2026 08:06:15 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-105946

Published

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.

Source published: 27 Oct 2026 06:45:36 UTC
Source modified: 27 Oct 2026 06:45:36 UTC
Observed here: 27 Oct 2026 08:06:15 UTC
Source terms: CVE Program Terms of Use

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This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 5.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P