{"affected":[{"affectedData":[{"product":"watchOS, tvOS, macOS","vendor":"n/a","versions":[{"status":"affected","version":"Versions prior to: watchOS 5.1.2, tvOS 12.1.1 macOS Sierra 10.12.6, macOS High Sierra 10.13.6, iOS 12.1"}]}],"source":"product-security@apple.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","matchCriteriaId":"1FDA8399-DFA9-41CA-BB94-A5419A9518EE","versionEndExcluding":"12.1","vulnerable":true},{"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"739E57BC-3CD1-40F1-85C1-7CE868815DB9","versionEndExcluding":"10.14.2","vulnerable":true},{"criteria":"cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*","matchCriteriaId":"4CB972B5-9DB6-431D-90C6-081FD1751676","versionEndExcluding":"12.1.1","vulnerable":true},{"criteria":"cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*","matchCriteriaId":"06F7BB21-66D5-4AD6-83B8-66CC8E7656AD","versionEndExcluding":"5.1.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006."},{"lang":"es","value":"Un problema de corrupción de memoria se abordó con una gestión de memoria mejorada. Este problema afectaba a iOS en versiones anteriores a la 12.1; watchOS en versiones anteriores a la 5.1.2; tvOS en versiones anteriores a la 12.1.1; macOS High Sierra en versiones anteriores a la 10.13.6 con la actualización de seguridad 2018-003 High Sierra; y macOS Sierra en versiones anteriores a la 10.12.6 con la actualización seguridad 2018-006."}],"id":"CVE-2018-4427","lastModified":"2026-06-17T01:58:57.950","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":9.3,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":8.6,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2019-04-03T18:29:15.347","references":[{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209192"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209341"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209342"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209343"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209192"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209341"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209342"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/kb/HT209343"}],"sourceIdentifier":"product-security@apple.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-119"}],"source":"nvd@nist.gov","type":"Primary"}]}