{"id":"UBUNTU-CVE-2015-4620","details":"name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DNSSEC validation, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) by constructing crafted zone data and then making a query for a name in that zone.","modified":"2026-01-30T02:41:57.577797Z","published":"2015-07-07T17:00:00Z","related":["USN-2669-1"],"upstream":["CVE-2015-4620"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4620"},{"type":"REPORT","url":"https://kb.isc.org/article/AA-01267/0"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2669-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-4620"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.9.5.dfsg-3ubuntu0.3"}]}],"versions":["1:9.9.3.dfsg.P2-4ubuntu1","1:9.9.3.dfsg.P2-4ubuntu2","1:9.9.3.dfsg.P2-4ubuntu3","1:9.9.5.dfsg-2","1:9.9.5.dfsg-3","1:9.9.5.dfsg-3ubuntu0.1","1:9.9.5.dfsg-3ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"bind9"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"bind9-host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"bind9utils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"dnsutils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libbind-dev"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libbind9-90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libdns100"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libisc95"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libisccc90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"libisccfg90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"liblwres90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.3","binary_name":"lwresd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4620.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}