CVE-2026-96432
Low
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.
SeverityLow
CVSS2.1
Exploit probability—
ProductQt
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qt qt | 6.8.0 ≤ v ≤ 6.8.9, 6.9.0 ≤ v ≤ 6.11.2 | — |
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