| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.tomcat:tomcat | < 4.1.3-beta | 4.1.3-beta |
| tomcat | = 4.0.3 |
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.
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