CVE-2021-30851

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This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution."}, {"lang": "es", "value": "Se abord\u00f3 una vulnerabilidad de corrupci\u00f3n de memoria con un bloqueo mejorado. Este problema se corrigi\u00f3 en Safari versi\u00f3n 15, tvOS versi\u00f3n 15, watchOS versi\u00f3n 8, iOS versi\u00f3n 15 y iPadOS versi\u00f3n 15. El procesamiento de contenido web dise\u00f1ado de forma maliciosa puede conllevar a una ejecuci\u00f3n de c\u00f3digo"}], "id": "CVE-2021-30851", "lastModified": "2026-06-17T03:51:00.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-24T19:15:13.373", "references": [{"source": "product-security@apple.com", "url": "http://www.openwall.com/lists/oss-security/2021/10/31/1"}, {"source": "product-security@apple.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/"}, {"source": "product-security@apple.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/HT212814"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/HT212815"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/HT212816"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/HT212819"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/kb/HT212869"}, {"source": "product-security@apple.com", "url": "https://www.debian.org/security/2021/dsa-4995"}, {"source": "product-security@apple.com", "url": "https://www.debian.org/security/2021/dsa-4996"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2021/10/31/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/en-us/HT212814"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/en-us/HT212815"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/en-us/HT212816"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/en-us/HT212819"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/kb/HT212869"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2021/dsa-4995"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2021/dsa-4996"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:10364", "cpe": "cpe:/o:redhat:rhel_els:7", "package": "webkitgtk4-0:2.48.3-2.el7_9", "product_name": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "release_date": "2025-07-07T00:00:00Z"}, {"advisory": "RHSA-2022:1777", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "webkit2gtk3-0:2.34.6-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}], "bugzilla": {"description": "webkitgtk: Memory corruption issue leading to arbitrary code execution", "id": "2018573", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2018573"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "details": ["A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution."], "name": "CVE-2021-30851", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-10-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-30851\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30851\nhttps://webkitgtk.org/security/WSA-2021-0006.html"], "threat_severity": "Moderate"}

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