CVE-2014-8601
PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2014-8601- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-8601- Updated
- 2026-11-02
EUVDEUVD-2014-8438 No score
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.
- Record
EUVD-2014-8438- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cmfg-cqcc-qpqf No score
PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers...
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.
- Record
GHSA-cmfg-cqcc-qpqf- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2014-8601- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-8601 No score
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.
- Record
DEBIAN-CVE-2014-8601- Updated
- 2026-11-02
OSVMGASA-2014-0522 No score
Updated pdns-recursor packages fix CVE-2014-8601
Updated pdns-recursor package fixes security vulnerability:
PowerDNS Recursor before version 3.6.2, could be negatively impacted by specially configured, hard to resolve domain names. A remote attacker, by sending a query for such a domain name, could cause severe performance degradation in PowerDNS Recursor, causing a denial of service (CVE-2014-8601).
The pdns-recursor package has been updated to version 3.6.2, fixing this issue and several other bugs, as well as providing additional features.
- Record
MGASA-2014-0522- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10537-1 No score
pdns-recursor-4.0.3-1.2 on GA media
These are all security issues fixed in the pdns-recursor-4.0.3-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10537-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2014-8601 No score
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.
- Record
UBUNTU-CVE-2014-8601- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pdns-recursorDebian:12 |
before 3.6.2-1 | 3.6.2-1 |
pdns-recursorDebian:13 |
before 3.6.2-1 | 3.6.2-1 |
pdns-recursorDebian:14 |
before 3.6.2-1 | 3.6.2-1 |
pdns-recursorDebian:6.0 |
before 3.2-4+deb6u1, plus listed versions 3.2-4 |
3.2-4+deb6u1 |
pdns-recursorDebian:7 |
before 3.3-3+deb7u1, plus listed versions 3.3-3 |
3.3-3+deb7u1 |
pdns-recursorMageia:4 |
before 3.6.2-1.1.mga4 | 3.6.2-1.1.mga4 |
pdns-recursorUbuntu:14.04:LTS |
before 3.5.3-1ubuntu0.1, plus listed versions 3.3-33.5.3-1 |
3.5.3-1ubuntu0.1 |
pdns-recursoropenSUSE:Tumbleweed From an advisory covering 4 CVEs |
before 4.0.3-1.2 | 4.0.3-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-8601 is a medium vulnerability (CVSS 5.0) in Powerdns Recursor, published December 10, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 68.9%, the 99th percentile. Fixed in pdns-recursor 3.6.2-1.
References
doc.powerdns.com/md/security/powerdns-advisory-2014-02
debian.org/security/2014/dsa-3096
securitytracker.com/id/1031310
cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
securityfocus.com/bid/71545
kb.cert.org/vuls/id/264212
Show 14 moreShow less
nvd.nist.gov/vuln/detail/CVE-2014-8601
github.com/advisories/GHSA-cmfg-cqcc-qpqf
security-tracker.debian.org/tracker/CVE-2014-8601
advisories.mageia.org/MGASA-2014-0522.html
bugs.mageia.org/show_bug.cgi?id=14695
blog.powerdns.com/2014/06/20/recursor-3-6-0-released
blog.powerdns.com/2014/09/10/security-update-powerdns-recursor-3-6-1
blog.powerdns.com/2014/10/30/recursor-3-6-2
ubuntu.com/security/CVE-2014-8601
cve.org/CVERecord?id=CVE-2014-8601
suse.com/security/cve/CVE-2009-4009
suse.com/security/cve/CVE-2014-8601
suse.com/security/cve/CVE-2015-1868
suse.com/security/cve/CVE-2016-6172