### [CVE-2016-4554](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4554) ![](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 mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue. ### POC #### Reference - http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html #### Github No PoCs found on GitHub currently.