---
cve: "CVE-2026-96432"
severity: "LOW"
cvss: 2.1
epss: ""
vendor: "Qt"
kev: false
exploited: false
published: "2026-10-26 12:17:08"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-10-29T19:51:42+01:00"
---

# CVE-2026-96432

> 2.1 LOW

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Qt**
- State: PUBLISHED
- Stand: 2026-10-26 14:35:18
- CNA-CVSS: **2.1** (`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`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |

## Schwachstellen-Klasse

- **CWE-476** — NULL Pointer Dereference
  The product dereferences a pointer that it expects to be valid but is NULL.

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-96432/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_