---
title: "CVE-2014-8601\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-2014-8601?format=md
keywords: index, follow
---

# CVE-2014-8601

Publication date 10 December 2014

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which
allows remote attackers to cause a denial of service ("performance
degradations") via a large or infinite number of referrals, as demonstrated
by resolving domains hosted by ezdns.it.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| pdns-recursor | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Fixed 3.5.3-1ubuntu0.1 |
| 12.04 LTS precise | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |

---

* [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-2014-8601)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-8601)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-8601)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-8601)

### Other references

* <http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/>
* <http://www.securitytracker.com/id/1031310>
* <https://www.cve.org/CVERecord?id=CVE-2014-8601>