{"id":"UBUNTU-CVE-2015-1868","details":"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.","modified":"2025-09-08T16:43:20Z","published":"2015-05-18T15:59:00Z","upstream":["CVE-2015-1868"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-1868"},{"type":"REPORT","url":"https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-1868"}],"affected":[{"package":{"name":"pdns","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pdns@3.3-2ubuntu0.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3-2ubuntu0.1"}]}],"versions":["3.1-4build1","3.3-1","3.3-2"],"ecosystem_specific":{"binaries":[{"binary_name":"pdns-backend-geo","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-ldap","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-lua","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-mysql","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-pgsql","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-pipe","binary_version":"3.3-2ubuntu0.1"},{"binary_name":"pdns-backend-sqlite3","binary_version":"3.3-2ubuntu0.1"},{"binary_version":"3.3-2ubuntu0.1","binary_name":"pdns-server"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-1868.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@3.5.3-1ubuntu0.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.3-1ubuntu0.1"}]}],"versions":["3.3-3","3.5.3-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"pdns-recursor","binary_version":"3.5.3-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-1868.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}