### [CVE-2009-3663](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3663) ![](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 Format string vulnerability in the h_readrequest function in http.c in httpdx Web Server 1.4 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via format string specifiers in the Host header. ### POC #### Reference - http://www.exploit-db.com/exploits/9657 #### Github No PoCs found on GitHub currently.