### [CVE-2019-20397](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20397)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
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### Description

A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.

### POC

#### Reference
- https://github.com/CESNET/libyang/issues/739
- https://github.com/CESNET/libyang/issues/739

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