l by specifying a large number of recipients with the RCPT command. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-0144","sourceIdentifier":"cve@mitre.org","published":"1997-06-01T04:00:00.000","lastModified":"2026-06-16T21:47:41.470","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Denial of service in Qmail by specifying a large number of recipients with the RCPT command."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:P","baseScore":2.1,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:qmail_project:qmail:-:*:*:*:*:*:*:*","matchCriteriaId":"6FA9D55F-8FDA-4B2C-BE43-82BDFEED1C7D"}]}]}],"references":[{"url":"http://cr.yp.to/qmail/venema.html","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=87602558319024&w=2","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=87602558319029&w=2","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"http://www.ornl.gov/its/archives/mailing-lists/qmail/1997/06/threads.html","source":"cve@mitre.org","tags":["Broken Link","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/2237","source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/208","source":"cve@mitre.org","tags":["VDB Entry"]},{"url":"http://cr.yp.to/qmail/venema.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=87602558319024&w=2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=87602558319029&w=2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"http://www.ornl.gov/its/archives/mailing-lists/qmail/1997/06/threads.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/2237","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/208","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry"]}]}},