### [CVE-2016-5768](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5768)
![](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

Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/intrigueio/intrigue-ident
- https://github.com/syadg123/pigat
- https://github.com/teamssix/pigat