CVE-2026-96432

qt: Null pointer dereference vulnerability in QNetworkAccessManager impacts Qt

qt qt

Open in Threatline Record JSON

CVSS

2.1Low

ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV

Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Published26 Oct 2026Updated 26 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

🚨 CVE-2026-96432 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, cauTelegram: CVE Notify, 26 Oct 2026

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.

Text from CVE List

Affected versions 2

qtaffected: 6.8.0 through 6.8.9CVE List
qtaffected: 6.9.0 through 6.11.2CVE List