cve/2017/CVE-2017-16931.md

### [CVE-2017-16931](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16931)
![](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

parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.

### POC

#### Reference
- https://www.oracle.com//security-alerts/cpujul2021.html

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