CVEs-PoC/2016/CVE-2016-4556.md

### [CVE-2016-4556](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4556)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

#### Github
- https://github.com/ARPSyndicate/cve-scores