cve/2009/CVE-2009-0033.md

### [CVE-2009-0033](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0033)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.

### POC

#### Reference
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html

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