### [CVE-2016-6296](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6296)
![](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

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.

### POC

#### Reference
- http://www.ubuntu.com/usn/USN-3059-1
- https://bugs.php.net/72606

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