{"id":"CVE-2013-2266","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-2266","generatedAt":"2026-11-05T07:40:07.205Z","title":"libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as…","description":"libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.","published":"2013-03-28T16:55:01.000Z","lastModified":"2026-06-16T23:53:03.000Z","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-119"],"affected":["isc/bind"],"epss":{"score":0.42851,"percentile":0.98723,"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 42.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://linux.oracle.com/errata/ELSA-2014-1244","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/2013-April/101500.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=136804614120794&w=2","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0689.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0690.html","source":"cve@mitre.org"},{"url":"http://support.apple.com/kb/HT5880","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2013/dsa-2656","source":"cve@mitre.org"},{"url":"http://www.isc.org/software/bind/advisories/cve-2013-2266","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/58736","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1783-1","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-00871/","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-00879/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579","source":"cve@mitre.org"},{"url":"http://linux.oracle.com/errata/ELSA-2014-1244","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/2013-April/101500.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=136804614120794&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0689.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0690.html","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/2013/dsa-2656","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.isc.org/software/bind/advisories/cve-2013-2266","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/58736","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1783-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-00871/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-00879/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-2266","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."}