Description
A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.
Published: 2026-10-26
Score: 2.1 Low
EPSS: n/a
KEV: No
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History

Mon, 26 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
Description A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.
Title Null pointer dereference vulnerability in QNetworkAccessManager impacts Qt
First Time appeared Qt
Qt qt
Qt qtbase
Weaknesses CWE-476
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qtbase
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/RE:L/U:Green'}

Subscriptions

Qt Qt Qtbase
cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-10-26T11:31:20.304Z

Reserved: 2026-09-23T06:49:22.184Z

Link: CVE-2026-96432

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-26T12:17:08.420

Modified: 2026-10-26T12:17:08.420

Link: CVE-2026-96432

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T12:45:14Z

Weaknesses