{"affected":[{"affectedData":[{"product":"iOS","vendor":"Apple","versions":[{"lessThan":"12.1","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"10.14","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"12.1","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"5.1","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"10.14","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"product-security@apple.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","matchCriteriaId":"A79B50D1-F20E-4A84-B75F-D28519FD8266","versionEndExcluding":"12.1.1","vulnerable":true},{"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"F16A610C-161D-41A6-ADF5-C9513ECB4060","versionEndExcluding":"10.14.4","versionStartIncluding":"10.12.6","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"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"075D87CA-A685-4350-8DD1-940CEF050FFF","versionEndExcluding":"10.14.2","versionStartIncluding":"10.13.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.1.1, watchOS 5.1.2, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS 12.1.1. A local user may be able to read kernel memory."},{"lang":"es","value":"Se abordó un problema de inicialización de la memoria con un manejo de la memoria mejorada.  Este problema se corrigió en macOS Mojave versión 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS versión 12.1.1, watchOS versión 5.1.2, macOS Mojave versión 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS versión 12.1.1. Un usuario local puede ser capaz de leer la memoria del kernel"}],"id":"CVE-2018-4448","lastModified":"2026-06-17T01:59:00.080","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"LOW","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"NONE","baseScore":2.1,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:L/AC:L/Au:N/C:P/I:N/A:N","version":"2.0"},"exploitabilityScore":3.9,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-10-27T20:15:13.830","references":[{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209340"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209341"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209342"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209343"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209600"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209340"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209341"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209342"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209343"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/en-us/HT209600"}],"sourceIdentifier":"product-security@apple.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}