{"id":"CVE-2016-2776","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-2776","generatedAt":"2026-11-05T05:14:49.199Z","title":"buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted…","description":"buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.","published":"2016-09-28T10:59:00.000Z","lastModified":"2026-06-17T00:44:23.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-20"],"affected":["oracle/linux","oracle/vm server","isc/bind","hp/hp-ux","oracle/solaris"],"epss":{"score":0.89482,"percentile":0.99788,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2016-10-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40453,"kind":"exploit","title":"ISC BIND 9 - Denial of Service","url":"https://www.exploit-db.com/exploits/40453","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/40453.py","file":"exploits/multiple/dos/40453.py","published":"2016-10-04","added":"2016-10-04","updated":"2016-10-05","author":"Infobyte","type":"dos","platform":"multiple","port":53,"verified":false,"codes":["CVE-2016-2776"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 89.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2016-1944.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1945.html","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2099.html","source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/93188","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1036903","source":"cve@mitre.org"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-01419/0","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-01435","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-01436","source":"cve@mitre.org"},{"url":"https://kb.isc.org/article/AA-01438","source":"cve@mitre.org"},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201610-07","source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20160930-0001/","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/40453/","source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1944.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1945.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2099.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/93188","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1036903","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-01419/0","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-01435","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-01436","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/article/AA-01438","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201610-07","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20160930-0001/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/40453/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-2776","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."}