{"id":"CVE-2014-8602","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-8602","generatedAt":"2026-11-05T06:39:04.229Z","title":"iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.","description":"iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.","published":"2014-12-11T02:59:03.000Z","lastModified":"2026-06-17T00:17:00.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["nlnetlabs/unbound","canonical/ubuntu linux","debian/debian linux"],"epss":{"score":0.32163,"percentile":0.98323,"date":"2026-11-04","history":[{"date":"2026-10-13","score":0.32163,"percentile":0.9829}]},"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 32.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-13T00:00:00.000Z","detail":{"to":0.32163,"from":0.25205,"percentile":0.9829},"summary":"EPSS moved from 25.2% to 32.2% probability of exploitation in the next thirty days."}],"references":[{"url":"http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://unbound.net/downloads/patch_cve_2014_8602.diff","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2014/dsa-3097","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/264212","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/71589","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2484-1","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://unbound.net/downloads/CVE-2014-8602.txt","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://unbound.net/downloads/patch_cve_2014_8602.diff","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-3097","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/264212","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/71589","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2484-1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://unbound.net/downloads/CVE-2014-8602.txt","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-8602","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."}