{"id":"CVE-2002-0766","url":"https://www.cyber-defence.io/tools/cve/CVE-2002-0766","generatedAt":"2026-10-27T20:51:12.425Z","title":"OpenBSD 2.9 through 3.1 allows local users to cause a denial of service (resource exhaustion) and gain root privileges by filling the kernel's file descriptor table and closing file descriptors 0, 1, or 2 before executing a privileged process, which is…","description":"OpenBSD 2.9 through 3.1 allows local users to cause a denial of service (resource exhaustion) and gain root privileges by filling the kernel's file descriptor table and closing file descriptors 0, 1, or 2 before executing a privileged process, which is not properly handled when OpenBSD fails to open an alternate descriptor.","published":"2002-08-12T04:00:00.000Z","lastModified":"2026-06-16T21:58:06.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.2,"severity":"HIGH","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"cwe":[],"affected":["openbsd/openbsd"],"epss":{"score":0.00589,"percentile":0.47876,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://online.securityfocus.com/archive/1/271702","source":"cve@mitre.org"},{"url":"http://www.iss.net/security_center/static/9048.php","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/314963","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.openbsd.org/errata.html#fdalloc2","source":"cve@mitre.org"},{"url":"http://www.osvdb.org/5114","source":"cve@mitre.org"},{"url":"http://www.osvdb.org/5715","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4708","source":"cve@mitre.org"},{"url":"http://online.securityfocus.com/archive/1/271702","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.iss.net/security_center/static/9048.php","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/314963","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openbsd.org/errata.html#fdalloc2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/5114","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/5715","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4708","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0766","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."}