cve/2017/CVE-2017-12934.md

### [CVE-2017-12934](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12934)
![](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

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

### POC

#### Reference
- https://hackerone.com/reports/261338

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