CVE-2026-96432

UNKNOWN 0.0

Null pointer dereference vulnerability in QNetworkAccessManager impacts Qt

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-476
Vendor	qt
Product	qt
Published	Oct 26, 2026

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Affected Versions

qt / qt

6.8.0 ≤ 6.8.9 6.9.0 ≤ 6.11.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wiki.qt.io: https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-96432: codereview.qt-project.org: https://codereview.qt-project.org/c/qt/qtbase/+/759718

Credits

Daniel Birtwhistle