---
title: "CVE-2012-5166\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2012-5166?format=md
keywords: index, follow
---

# CVE-2012-5166

Publication date 10 October 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

ISC BIND 9.x before 9.7.6-P4, 9.8.x before 9.8.3-P4, 9.9.x before 9.9.1-P4,
and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P4 allows remote attackers to
cause a denial of service (named daemon hang) via unspecified combinations
of resource records.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| bind9 | 12.04 LTS precise | Fixed 1:9.8.1.dfsg.P1-4ubuntu0.4 |
| 11.10 oneiric | Fixed 1:9.7.3.dfsg-1ubuntu4.5 |
| 11.04 natty | Fixed 1:9.7.3.dfsg-1ubuntu2.7 |
| 10.04 LTS lucid | Fixed 1:9.7.0.dfsg.P1-1ubuntu0.8 |
| 8.04 LTS hardy | Fixed 1:9.4.2.dfsg.P2-2ubuntu0.12 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5166)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-5166)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-5166)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-5166)

### Related Ubuntu Security Notices (USN)

+ [USN-1601-1](https://usn.ubuntu.com/USN-1601-1)
+ Bind vulnerability
+ 10 October 2012

### Other references

* <https://www.isc.org/software/bind/advisories/cve-2012-5166>
* <https://kb.isc.org/article/AA-00801>
* <https://www.cve.org/CVERecord?id=CVE-2012-5166>