{"api_version":"1","generated_at":"2026-07-23T13:45:45+00:00","cve":"CVE-2018-4406","urls":{"html":"https://cve.report/CVE-2018-4406","api":"https://cve.report/api/cve/CVE-2018-4406.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-4406","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4406"},"summary":{"title":"CVE-2018-4406","description":"A denial of service issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.","state":"PUBLIC","assigner":"product-security@apple.com","published_at":"2019-04-03 18:29:00","updated_at":"2019-04-05 14:07:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"https://support.apple.com/kb/HT209139","name":"https://support.apple.com/kb/HT209139","refsource":"MISC","tags":["Vendor Advisory"],"title":"About the security content of macOS Mojave 10.14 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/kb/HT209193","name":"https://support.apple.com/kb/HT209193","refsource":"MISC","tags":["Vendor Advisory"],"title":"About the security content of macOS Mojave 10.14.1, Security Update 2018-002 High Sierra, Security Update 2018-005 Sierra - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-4406","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4406","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"4406","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"4406","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2018-4406","ASSIGNER":"product-security@apple.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"macOS","version":{"version_data":[{"version_value":"Versions prior to: macOS Mojave 10.14"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"An attacker in a privileged position may be able to perform a denial of service attack"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://support.apple.com/kb/HT209193","url":"https://support.apple.com/kb/HT209193"},{"refsource":"MISC","name":"https://support.apple.com/kb/HT209139","url":"https://support.apple.com/kb/HT209139"}]},"description":{"description_data":[{"lang":"eng","value":"A denial of service issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14."}]}},"nvd":{"publishedDate":"2019-04-03 18:29:00","lastModifiedDate":"2019-04-05 14:07:00","problem_types":["CWE-20"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","versionEndExcluding":"10.14","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"4406","Ordinal":"120320","Title":"CVE-2018-4406","CVE":"CVE-2018-4406","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"4406","Ordinal":"1","NoteData":"A denial of service issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"4406","Ordinal":"2","NoteData":"2019-04-03","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"4406","Ordinal":"3","NoteData":"2019-04-03","Type":"Other","Title":"Modified"}]}}}