Vulnerability 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.
Related Weaknesses (CWE)
References
- https://codereview.qt-project.org/c/qt/qtbase/+/759718
- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-96432:
FAQ
What is CVE-2026-96432?
CVE-2026-96432 is a documented vulnerability. 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 point...
How severe is CVE-2026-96432?
CVSS scoring is not yet available for CVE-2026-96432. Check NVD for updates.
Is there a patch for CVE-2026-96432?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.