{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43666", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-05-01T22:46:21.640Z", "datePublished": "2026-05-11T20:07:37.808Z", "dateUpdated": "2026-05-11T20:07:37.808Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "An attacker on the local network may be able to cause a denial-of-service"}]}], "affected": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "18.7.9", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "14.8.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "15.7.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "tvOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "watchOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service."}], "references": [{"url": "https://support.apple.com/en-us/127110"}, {"url": "https://support.apple.com/en-us/127111"}, {"url": "https://support.apple.com/en-us/127115"}, {"url": "https://support.apple.com/en-us/127116"}, {"url": "https://support.apple.com/en-us/127117"}, {"url": "https://support.apple.com/en-us/127118"}, {"url": "https://support.apple.com/en-us/127119"}, {"url": "https://support.apple.com/en-us/127120"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-05-11T20:07:37.808Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service."}], "id": "CVE-2026-43666", "lastModified": "2026-05-11T21:19:01.920", "metrics": {}, "published": "2026-05-11T21:19:01.920", "references": [{"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127110"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127111"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127115"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127116"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127117"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127118"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127119"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127120"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Received"}

{}

{"created": "2026-05-11T23:30:02.962838+00:00", "title": "Apple OS Local Network DoS via Out\u2011of\u2011Bounds Write", "updated": "2026-05-11T23:30:02.962851+00:00", "vendors": [], "weaknesses": ["CWE-119", "CWE-787"]}