CVE-2021-1878

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This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An attacker in a privileged network position may be able to leak sensitive user information."}, {"lang": "es", "value": "Se abord\u00f3 un desbordamiento de enteros con una comprobaci\u00f3n de entrada mejorada. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Un atacante en una posici\u00f3n de red privilegiada puede ser capaz de filtrar informaci\u00f3n confidencial del usuario"}], "id": "CVE-2021-1878", "lastModified": "2026-06-17T03:32:42.703", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-08T15:15:12.307", "references": [{"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212325"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212326"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212327"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212325"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212326"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212327"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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