{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20639", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2025-11-11T14:43:07.861Z", "datePublished": "2026-03-25T00:32:30.351Z", "dateUpdated": "2026-03-25T00:32:30.351Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Processing a maliciously crafted string may lead to heap corruption"}]}], "affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "14.8.5", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "15.7.5", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.3", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption."}], "references": [{"url": "https://support.apple.com/en-us/126348"}, {"url": "https://support.apple.com/en-us/126795"}, {"url": "https://support.apple.com/en-us/126796"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-03-25T00:32:30.351Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption."}], "id": "CVE-2026-20639", "lastModified": "2026-03-25T01:17:04.443", "metrics": {}, "published": "2026-03-25T01:17:04.443", "references": [{"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/126348"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/126795"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/126796"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,14.8.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,15.7.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "created": "2026-03-25T11:36:19.564073+00:00", "updated": "2026-03-25T11:36:19.564155+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}