{"id":"CVE-2015-5470","aliases":["DEBIAN-CVE-2015-5470","DSA-3306-1","DSA-3307-1","EUVD-2015-5425","GHSA-vh8j-jj36-28wq","MGASA-2015-0301","UBUNTU-CVE-2015-5470"],"status":"published","title":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3...","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11284,"percentile":0.96,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2015-07-09T00:00:00Z","modified":"2026-09-09T06:47:22Z","fixes":[{"ecosystem":"Debian:12","package":"pdns","fixed_in":["3.4.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pdns","fixed_in":["3.4.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pdns","fixed_in":["3.4.5-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"pdns-recursor","fixed_in":["3.7.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pdns-recursor","fixed_in":["3.7.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pdns-recursor","fixed_in":["3.7.3-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"pdns","fixed_in":["3.4.1-4+deb8u2"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"pdns-recursor","fixed_in":["3.6.2-2+deb8u2"],"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","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.1-4+deb8u2"}]}],"versions":["3.4.1-4","3.4.1-4+deb8u1","3.4.1-4+deb8u1~bpo70+1"]},{"source":"osv","ecosystem":"Debian:8","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-2+deb8u2"}]}],"versions":["3.6.2-2","3.6.2-2+deb8u1","3.6.2-2+deb8u1~bpo70+1","3.6.2-2+deb8u2~bpo70+1"]},{"source":"osv","ecosystem":"Mageia:4","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3-1.mga4"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:4","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-1.mga4"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:5","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3-1.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:5","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-1.mga5"}]}],"bundled":2},{"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"]}],"products":[{"vendor":"powerdns","product":"authoritative"},{"vendor":"powerdns","product":"recursor"}],"references":[{"url":"https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix","report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/07/10/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2015/07/07/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-5470"},{"url":"https://doc.powerdns.com/md/security/powerdns-advisory-2015-01"},{"url":"https://github.com/advisories/GHSA-vh8j-jj36-28wq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-5470","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0301.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16320","tags":["report"]},{"url":"http://doc.powerdns.com/md/security/powerdns-advisory-2015-01/","tags":["web"]},{"url":"http://blog.powerdns.com/2015/06/09/authoritative-server-3-4-5-3-3-3-and-recursor-3-7-3-3-6-4-released/","tags":["web"]},{"url":"http://advisories.mageia.org/MGASA-2015-0189.html","tags":["advisory"]},{"url":"http://openwall.com/lists/oss-security/2015/07/10/8","tags":["web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2015-07/msg00049.html","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-5470","tags":["report"]},{"url":"http://downloads.powerdns.com/patches/2015-01/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-5470","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-5470","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:00:00Z","modified":"2024-08-06T06:50:02.364Z","updated_at":"2026-11-02T14:35:40.217028Z"}],"euvd":[{"id":"EUVD-2015-5425","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:00:00Z","modified":"2024-08-06T06:50:02Z","updated_at":"2026-11-03T02:21:59.884926Z"}],"ghsa":[{"id":"GHSA-vh8j-jj36-28wq","title":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3...","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2022-05-17T04:03:11Z","modified":"2025-04-12T12:54:44Z","updated_at":"2026-11-02T15:01:24.215593Z"}],"nvd":[{"id":"CVE-2015-5470","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:59:09.53Z","modified":"2026-06-17T00:29:10.977Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:12.30866Z"}],"osv":[{"id":"CVE-2015-5470","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:59:09Z","modified":"2026-04-16T06:24:26.100840832Z","updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-5470","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:59:09.53Z","modified":"2026-09-09T06:47:22.115379217Z","updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"DSA-3306-1","title":"pdns - security update","status":"published","published":"2015-07-09T00:00:00Z","modified":"2026-03-09T01:23:34.529459Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"DSA-3307-1","title":"pdns-recursor - security update","status":"published","published":"2015-07-09T00:00:00Z","modified":"2026-03-09T01:19:20.533189Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"MGASA-2015-0301","title":"Updated pdns package fixes security vulnerability","description":"In MGASA-2015-0189, the pdns and pdns-recursor packages were updated to\nfix a denial of service issue (CVE-2015-1868).  The fix was incomplete.\nThe packages have been updated again to versions 3.3.3 and 3.6.4,\nrespectively, to completely fix this issue.\n","status":"published","published":"2015-08-03T20:55:18Z","modified":"2026-04-16T06:22:20.602163817Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"UBUNTU-CVE-2015-5470","description":"The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.","status":"published","published":"2015-11-02T19:59:00Z","modified":"2025-09-08T16:43:26Z","updated_at":"2026-11-02T15:54:10.385269Z"}]}}