{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T13:42:28.769","vulnerabilities":[{"cve":{"id":"CVE-2019-3557","sourceIdentifier":"cve-assign@fb.com","published":"2019-01-15T22:29:00.377","lastModified":"2026-06-17T02:35:13.447","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. This behavior caused some stream functions, such as stream_get_line, to trigger an out-of-bounds read when operating on such malformed streams. The implementations were updated to return valid values consistently. This affects all supported versions of HHVM (3.30 and 3.27.4 and below)."},{"lang":"es","value":"Las implementaciones de los flujos para bz2 y php://output implementaron incorrectamente sus funciones readImpl, devolviendo -1 constantemente. Este comportamiento provocó que algunas funciones, como stream_get_line, desencadenasen una lectura fuera de límites al operar en tales flujos mal formados. Las implementaciones se actualizaron para que devuelvan valores válidos de forma consistente. Esto afecta a todas las versiones soportadas de HVVM (en versiones anteriores a las 3.30 y 3.27.4)."}],"affected":[{"source":"cve-assign@fb.com","affectedData":[{"vendor":"Facebook","product":"HHVM","versions":[{"version":"3.30.1","status":"affected"},{"version":"3.30.0","lessThan":"unspecified","versionType":"custom","status":"affected"},{"version":"3.27.5","status":"affected"},{"version":"unspecified","lessThan":"3.27.5","versionType":"custom","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:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"cve-assign@fb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-125"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-125"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionEndIncluding":"3.27.4","matchCriteriaId":"20625917-395C-4FE6-B681-8C8C2078549E"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionStartIncluding":"3.28.0","versionEndIncluding":"3.30.0","matchCriteriaId":"B578D2A9-7CA2-41A1-85E5-CF1254A3CD4A"}]}]}],"references":[{"url":"https://github.com/facebook/hhvm/commit/6e4dd9ec3f14b48170fc45dc9d13a3261765f994","source":"cve-assign@fb.com","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html","source":"cve-assign@fb.com","tags":["Vendor Advisory"]},{"url":"https://github.com/facebook/hhvm/commit/6e4dd9ec3f14b48170fc45dc9d13a3261765f994","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}