### [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.