CVE-2026-105946 (GCVE-0-2026-105946)
Vulnerability from cvelistv5
Published
2026-10-27 06:45
Modified
2026-10-27 06:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
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
Impacted products
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"modules": [
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"version": "0",
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackVector": "NETWORK",
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"providerMetadata": {
"dateUpdated": "2026-10-27T06:45:36.400Z",
"orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
"shortName": "Qt"
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"references": [
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"url": "https://codereview.qt-project.org/c/qt/qtbase/+/745457"
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"source": {
"advisory": "QVM-279",
"discovery": "INTERNAL"
},
"title": "Out-of-bounds read vulnerability in NTLM authentication handling impacts Qt",
"x_generator": {
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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