{"id":"CVE-2011-4313","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4313","generatedAt":"2026-10-27T17:56:26.429Z","title":"query.c in ISC BIND 9.0.x through 9.6.x, 9.4-ESV through 9.4-ESV-R5, 9.6-ESV through 9.6-ESV-R5, 9.7.0 through 9.7.4, 9.8.0 through 9.8.1, and 9.9.0a1 through 9.9.0b1 allows remote attackers to cause a denial of service (assertion failure and named…","description":"query.c in ISC BIND 9.0.x through 9.6.x, 9.4-ESV through 9.4-ESV-R5, 9.6-ESV through 9.6-ESV-R5, 9.7.0 through 9.7.4, 9.8.0 through 9.8.1, and 9.9.0a1 through 9.9.0b1 allows remote attackers to cause a denial of service (assertion failure and named exit) via unknown vectors related to recursive DNS queries, error logging, and the caching of an invalid record by the resolver.","published":"2011-11-29T17:55:02.000Z","lastModified":"2026-06-16T23:34:45.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["isc/bind"],"epss":{"score":0.1617,"percentile":0.96911,"date":"2026-10-26","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 16.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://blogs.oracle.com/sunsecurity/entry/cve_2011_4313_denial_of","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069463.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069970.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069975.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00027.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00028.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00029.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=132310123002302&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=133978480208466&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=141879471518471&w=2","source":"secalert@redhat.com"},{"url":"http://osvdb.org/77159","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/46536","tags":["Vendor 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Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4313","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."}