{"id":"CVE-2014-8601","aliases":["DEBIAN-CVE-2014-8601","DLA-104-1","DSA-3096-1","EUVD-2014-8438","GHSA-cmfg-cqcc-qpqf","MGASA-2014-0522","UBUNTU-CVE-2014-8601","openSUSE-SU-2024:10537-1"],"status":"published","title":"PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.68875,"percentile":0.99353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2014-12-10T15:00:00Z","modified":"2026-10-23T15:47:33Z","fixes":[{"ecosystem":"Debian:12","package":"pdns-recursor","fixed_in":["3.6.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pdns-recursor","fixed_in":["3.6.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pdns-recursor","fixed_in":["3.6.2-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"pdns-recursor","fixed_in":["3.2-4+deb6u1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"pdns-recursor","fixed_in":["3.3-3+deb7u1"],"sources":["osv"]},{"ecosystem":"Mageia:4","package":"pdns-recursor","fixed_in":["3.6.2-1.1.mga4"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"pdns-recursor","fixed_in":["3.5.3-1ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2-4+deb6u1"}]}],"versions":["3.2-4"]},{"source":"osv","ecosystem":"Debian:7","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3-3+deb7u1"}]}],"versions":["3.3-3"]},{"source":"osv","ecosystem":"Mageia:4","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-1.1.mga4"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.3-1ubuntu0.1"}]}],"versions":["3.3-3","3.5.3-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-1.2"}]}],"bundled":4}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"powerdns","product":"recursor"}],"references":[{"url":"http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"http://www.debian.org/security/2014/dsa-3096","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securitytracker.com/id/1031310","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/71545","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.kb.cert.org/vuls/id/264212","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8601"},{"url":"http://doc.powerdns.com/md/security/powerdns-advisory-2014-02"},{"url":"https://github.com/advisories/GHSA-cmfg-cqcc-qpqf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-8601","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2014-0522.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=14695","tags":["report"]},{"url":"http://blog.powerdns.com/2014/06/20/recursor-3-6-0-released/","tags":["web"]},{"url":"http://blog.powerdns.com/2014/09/10/security-update-powerdns-recursor-3-6-1/","tags":["web"]},{"url":"http://blog.powerdns.com/2014/10/30/recursor-3-6-2/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2014-8601","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-8601","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-4009","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8601","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1868","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6172","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2014-8601","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":"published","published":"2014-12-10T15:00:00Z","modified":"2024-08-06T13:26:02.389Z","updated_at":"2026-11-02T14:33:42.882687Z"}],"euvd":[{"id":"EUVD-2014-8438","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":"published","published":"2014-12-10T15:00:00Z","modified":"2024-08-06T13:26:02Z","updated_at":"2026-11-03T01:56:51.537817Z"}],"ghsa":[{"id":"GHSA-cmfg-cqcc-qpqf","title":"PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers...","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":"published","published":"2022-05-17T03:49:34Z","modified":"2025-04-12T12:43:51Z","updated_at":"2026-11-02T15:01:19.873405Z"}],"nvd":[{"id":"CVE-2014-8601","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":"published","published":"2014-12-10T15:59:17.41Z","modified":"2026-06-17T00:17:00.303Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:57.680258Z"}],"osv":[{"id":"CVE-2014-8601","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":"published","published":"2014-12-10T15:59:17Z","modified":"2026-04-16T06:20:51.79245644Z","updated_at":"2026-11-02T15:44:00.097545Z"},{"id":"DEBIAN-CVE-2014-8601","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":"published","published":"2014-12-10T15:59:17.41Z","modified":"2026-10-23T15:47:33.276349512Z","updated_at":"2026-11-02T15:45:26.442161Z"},{"id":"DLA-104-1","title":"pdns-recursor - security update","status":"published","published":"2014-12-11T00:00:00Z","modified":"2026-03-09T01:01:07.052039Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-3096-1","title":"pdns-recursor - security update","status":"published","published":"2014-12-11T00:00:00Z","modified":"2026-03-09T01:21:41.074521Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"MGASA-2014-0522","title":"Updated pdns-recursor packages fix CVE-2014-8601","description":"Updated pdns-recursor package fixes security vulnerability:\n\nPowerDNS Recursor before version 3.6.2, could be negatively impacted by\nspecially configured, hard to resolve domain names. A remote attacker, by\nsending a query for such a domain name, could cause severe performance\ndegradation in PowerDNS Recursor, causing a denial of service (CVE-2014-8601).\n\nThe pdns-recursor package has been updated to version 3.6.2, fixing this issue\nand several other bugs, as well as providing additional features.\n","status":"published","published":"2014-12-10T20:09:57Z","modified":"2026-04-16T06:26:31.502227361Z","updated_at":"2026-11-02T15:49:39.488462Z"},{"id":"openSUSE-SU-2024:10537-1","title":"pdns-recursor-4.0.3-1.2 on GA media","description":"These are all security issues fixed in the pdns-recursor-4.0.3-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:13:09.984599Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"UBUNTU-CVE-2014-8601","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":"published","published":"2014-12-10T15:59:00Z","modified":"2025-09-08T16:43:15Z","updated_at":"2026-11-02T15:54:09.378953Z"}]}}