{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T22:56:20.870","vulnerabilities":[{"cve":{"id":"CVE-2018-6335","sourceIdentifier":"cve-assign@fb.com","published":"2018-12-31T19:29:00.417","lastModified":"2025-05-06T19:15:53.723","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests."},{"lang":"es","value":"Un frame h2 malformado puede provocar una excepción 'std::out_of_range' durante el análisis de metadatos prioritarios. Este comportamiento puede provocar una denegación de servicio (DoS). Esto afecta a todas las versiones de HHVM soportadas (en versiones anteriores a las 3.25.2, 3.24.6 y 3.21.10)"}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"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:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"cve-assign@fb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionEndIncluding":"3.21.10","matchCriteriaId":"2163DCC3-41A2-4272-97EA-860A6A867914"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:3.24.6:*:*:*:*:*:*:*","matchCriteriaId":"E7E374ED-033B-4C0C-A056-797A23C17CDC"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:3.25.2:*:*:*:*:*:*:*","matchCriteriaId":"3290E2E7-0F98-418B-82E9-C1779E48A30F"}]}]}],"references":[{"url":"https://github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56","source":"cve-assign@fb.com","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html","source":"cve-assign@fb.com","tags":["Vendor Advisory"]},{"url":"https://github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}