Apache Tomcat 4.0.3, and possibly other versions before 4.1.3 beta, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of requests to the server with null characters, which causes the working threads to hang.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Tomcat | Apache | 4.0.3 (including) | 4.0.3 (including) |