cve/2021/CVE-2021-32558.md

### [CVE-2021-32558](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32558)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

### POC

#### Reference
- http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html

#### Github
No PoCs found on GitHub currently.