{"schemaVersion":3,"id":"CVE-2015-1868","aliases":["MGASA-2015-0189","UBUNTU-CVE-2015-1868","DEBIAN-CVE-2015-1868"],"status":"published","duplicateOf":null,"title":null,"description":"The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.","dates":{"published":"2015-05-18T15:00:00.000Z","modified":"2024-08-06T04:54:16.393Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.81724,"percentile":0.99644,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.81724},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.81724,"percentile":0.99644}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.81724,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.81724,"percentile":0.99644}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-399","name":"Resource Management Errors","description":"Weaknesses in this category are related to improper management of system resources.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/399.html"}],"affected":[{"vendor":"debian","product":"pdns","name":"pdns","label":"pdns","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/pdns","purlType":"deb","versions":[{"text":"< 3.4.4-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.4-1","eol":null,"hubHref":null},{"vendor":"debian","product":"pdns-recursor","name":"pdns-recursor","label":"pdns-recursor","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/pdns-recursor","purlType":"deb","versions":[{"text":"< 3.7.2-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.7.2-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"pdns","name":"pdns","label":"pdns","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pdns","purlType":"deb","versions":[{"text":"< 3.3-2ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.3-2ubuntu0.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"pdns-recursor","name":"pdns-recursor","label":"pdns-recursor","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pdns-recursor","purlType":"deb","versions":[{"text":"< 3.5.3-1ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.5.3-1ubuntu0.1","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"20","noFixRecorded":false,"fixedIn":null},{"text":"21","noFixRecorded":false,"fixedIn":null},{"text":"22","noFixRecorded":false,"fixedIn":null}],"versionsText":"20 | 21 | 22","eol":{"isEol":true,"eolDate":"2015-06-23T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"20","label":"20 (Heisenbug)","eolFrom":"2015-06-23T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"mageia","product":"pdns","name":"pdns","label":"pdns","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/pdns","purlType":"rpm","versions":[{"text":"< 3.3.2-1.mga4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.3.2-1.mga4","eol":null,"hubHref":null},{"vendor":"mageia","product":"pdns-recursor","name":"pdns-recursor","label":"pdns-recursor","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/pdns-recursor","purlType":"rpm","versions":[{"text":"< 3.6.3-1.mga4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.6.3-1.mga4","eol":null,"hubHref":null},{"vendor":"powerdns","product":"authoritative","name":"authoritative","label":"authoritative","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"3.2","noFixRecorded":false,"fixedIn":null},{"text":"3.3","noFixRecorded":false,"fixedIn":null},{"text":"3.3.1","noFixRecorded":false,"fixedIn":null},{"text":"3.3.2","noFixRecorded":false,"fixedIn":null},{"text":"3.4.0","noFixRecorded":false,"fixedIn":null},{"text":"3.4.1","noFixRecorded":false,"fixedIn":null},{"text":"3.4.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.2 | 3.3 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.3","eol":null,"hubHref":"/vendor/powerdns/authoritative"},{"vendor":"powerdns","product":"recursor","name":"recursor","label":"recursor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"3.5","noFixRecorded":false,"fixedIn":null},{"text":"3.5.1","noFixRecorded":false,"fixedIn":null},{"text":"3.5.2","noFixRecorded":false,"fixedIn":null},{"text":"3.5.3","noFixRecorded":false,"fixedIn":null},{"text":"3.6.0","noFixRecorded":false,"fixedIn":null},{"text":"3.6.1","noFixRecorded":false,"fixedIn":null},{"text":"3.6.2","noFixRecorded":false,"fixedIn":null},{"text":"3.6.3","noFixRecorded":false,"fixedIn":null},{"text":"3.7.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.5 | 3.5.1 | 3.5.2 | 3.5.3 | 3.6.0 | 3.6.1 | 3.6.2 | 3.6.3 | 3.7.1","eol":null,"hubHref":"/vendor/powerdns/recursor"}],"affectedCount":9,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156648.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156648.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156725.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156725.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156743.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156743.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/74306","label":"www.securityfocus.com/bid/74306","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156655.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156655.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156680.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156680.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"http://www.debian.org/security/2015/dsa-3306","label":"www.debian.org/security/2015/dsa-3306","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://www.debian.org/security/2015/dsa-3307","label":"www.debian.org/security/2015/dsa-3307","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://www.securitytracker.com/id/1032220","label":"www.securitytracker.com/id/1032220","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156667.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-April/156667.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","Third Party Advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0189.html","label":"advisories.mageia.org/MGASA-2015-0189.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=15754","label":"bugs.mageia.org/show_bug.cgi?id=15754","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"http://doc.powerdns.com/md/security/powerdns-advisory-2015-01/","label":"doc.powerdns.com/md/security/powerdns-advisory-2015-01/","hostname":"doc.powerdns.com","tags":["WEB"]},{"url":"http://blog.powerdns.com/2015/05/01/important-update-for-security-advisory-2015-01/","label":"blog.powerdns.com/2015/05/01/important-update-for-security-advisory-2015-01/","hostname":"blog.powerdns.com","tags":["Advisory"]},{"url":"https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-332","label":"doc.powerdns.com/md/changelog/","hostname":"doc.powerdns.com","tags":["WEB"]},{"url":"https://doc.powerdns.com/md/changelog/#powerdns-recursor-363","label":"doc.powerdns.com/md/changelog/","hostname":"doc.powerdns.com","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2015-1868","label":"ubuntu.com/security/CVE-2015-1868","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/","label":"doc.powerdns.com/md/security/powerdns-advisory-2015-01/","hostname":"doc.powerdns.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-1868","label":"www.cve.org/CVERecord?id=CVE-2015-1868","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-1868","label":"security-tracker.debian.org/tracker/CVE-2015-1868","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2015-0301","OPENSUSE-SU-2024:10136-1","OPENSUSE-SU-2024:10537-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:10136-1","OPENSUSE-SU-2024:10537-1"]},"timeline":[{"kind":"published","date":"2015-05-18T15:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T04:54:16.393Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":48,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T16:35:29.015Z","stale":false,"partial":false}}