{"id":"CVE-2012-5166","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-5166","generatedAt":"2026-11-05T08:00:56.448Z","title":"ISC BIND 9.x before 9.7.6-P4, 9.8.x before 9.8.3-P4, 9.9.x before 9.9.1-P4, and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P4 allows remote attackers to cause a denial of service (named daemon hang) via unspecified combinations of resource records.","description":"ISC BIND 9.x before 9.7.6-P4, 9.8.x before 9.8.3-P4, 9.9.x before 9.9.1-P4, and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P4 allows remote attackers to cause a denial of service (named daemon hang) via unspecified combinations of resource records.","published":"2012-10-10T21:55:01.000Z","lastModified":"2026-06-16T23:46:22.000Z","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-189"],"affected":["isc/bind"],"epss":{"score":0.32681,"percentile":0.98349,"date":"2026-11-04","history":[{"date":"2026-10-25","score":0.32681,"percentile":0.98331}]},"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 32.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://aix.software.ibm.com/aix/efixes/security/bind9_advisory5.asc","source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090346.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090491.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090586.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00011.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00013.html","source":"cve@mitre.org"},{"url":"http://osvdb.org/86118","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1363.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1364.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1365.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/50903","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/50909","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/50956","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51054","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51078","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51096","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51106","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51178","source":"cve@mitre.org"},{"url":"http://support.apple.com/kb/HT5880","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2012/dsa-2560","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30185","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30247","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30364","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30365","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30366","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30367","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30368","source":"cve@mitre.org"},{"url":"http://www.isc.org/software/bind/advisories/cve-2012-5166","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:162","source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/55852","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.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf","source":"cve@mitre.org"},{"url":"https://blogs.oracle.com/sunsecurity/entry/cve_2012_5166_denial_of","source":"cve@mitre.org"},{"url":"https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952488","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-00801","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19706","source":"cve@mitre.org"},{"url":"http://aix.software.ibm.com/aix/efixes/security/bind9_advisory5.asc","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090346.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090491.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090586.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00011.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00013.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/86118","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1363.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1364.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1365.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/50903","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/50909","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/50956","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51054","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51078","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51096","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51106","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51178","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-2560","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IV30185","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5166","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."}