{"id":"CVE-2009-3602","details":"Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.","modified":"2026-04-10T03:40:57.291941Z","published":"2009-10-13T10:30:00Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/36996"},{"type":"ADVISORY","url":"http://secunia.com/advisories/37913"},{"type":"ADVISORY","url":"http://unbound.net/pipermail/unbound-users/2009-October/000852.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2009/dsa-1963"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2009/2875"},{"type":"WEB","url":"http://osvdb.org/58836"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2009/10/09/2"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2009/10/09/3"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/53729"}],"schema_version":"1.7.5"}