CVEs-PoC/2021/CVE-2021-28903.md

### [CVE-2021-28903](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28903)
![](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

A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash.

### POC

#### Reference
- https://github.com/CESNET/libyang/issues/1453

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