{"id":"CVE-2012-3817","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-3817","generatedAt":"2026-11-05T08:12:35.857Z","title":"ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote…","description":"ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.","published":"2012-07-25T10:42:36.000Z","lastModified":"2026-06-16T23:43:57.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-20"],"affected":["isc/bind"],"epss":{"score":0.23664,"percentile":0.97822,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 23.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1122.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1123.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51096","source":"cve@mitre.org"},{"url":"http://support.apple.com/kb/HT5880","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2012/dsa-2517","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1027296","source":"cve@mitre.org"},{"url":"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1518-1","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-00729","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1122.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1123.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51096","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT5880","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2012/dsa-2517","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027296","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1518-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-00729","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-3817","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}