{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2016-7835","sourceIdentifier":"vultures@jpcert.or.jp","published":"2017-06-09T16:29:01.220","lastModified":"2026-06-17T00:53:34.747","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other information."},{"lang":"es","value":"La vulnerabilidad use-after-free en H2O permite a atacantes remotos causar una denegación de servicio (DoS) o obtener claves privadas de certificados de servidor y posiblemente otra información."}],"affected":[{"source":"vultures@jpcert.or.jp","affectedData":[{"vendor":"Kazuho Oku","product":"H2O","versions":[{"version":"version 2.0.4 and earlier","status":"affected"}]}]}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":4.9,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:dena:h2o:*:*:*:*:*:*:*:*","versionEndIncluding":"2.0.4","matchCriteriaId":"EBA94ADF-2E8B-40D1-ACB9-65840E427EC4"},{"vulnerable":true,"criteria":"cpe:2.3:a:h2o_project:h2o:2.1.0:beta3:*:*:*:*:*:*","matchCriteriaId":"D6588934-DE9B-44AE-9584-B68EA0CF3515"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/95061","source":"vultures@jpcert.or.jp","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://github.com/h2o/h2o/issues/1144","source":"vultures@jpcert.or.jp","tags":["Patch","Third Party Advisory"]},{"url":"https://jvn.jp/en/jp/JVN44566208/index.html","source":"vultures@jpcert.or.jp","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/95061","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://github.com/h2o/h2o/issues/1144","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://jvn.jp/en/jp/JVN44566208/index.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]}]}}