cve/2019/CVE-2019-5432.md

### [CVE-2019-5432](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5432)
![](https://img.shields.io/static/v1?label=Product&message=mqtt-packet&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Buffer%20Over-read%20(CWE-126)&color=brighgreen)

### Description

A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding.

### POC

#### Reference
- https://hackerone.com/reports/541354

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/V33RU/IoTSecurity101