CVE-2021-30884

{"containers": {"cna": {"affected": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "15", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "tvOS", "vendor": "Apple", "versions": [{"lessThan": "15", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history."}], "problemTypes": [{"descriptions": [{"description": "Visiting a maliciously crafted website may reveal a user's browsing history", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-20T15:06:49.000Z", "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT212814"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT212819"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT212815"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT212869"}, {"name": "[oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@apple.com", "ID": "CVE-2021-30884", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "iOS and iPadOS", "version": {"version_data": [{"version_affected": "<", "version_value": "15"}]}}, {"product_name": "tvOS", "version": {"version_data": [{"version_affected": "<", "version_value": "15"}]}}, {"product_name": "watchOS", "version": {"version_data": [{"version_affected": "<", "version_value": "8"}]}}]}, "vendor_name": "Apple"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Visiting a maliciously crafted website may reveal a user's browsing history"}]}]}, "references": {"reference_data": [{"name": "https://support.apple.com/en-us/HT212814", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT212814"}, {"name": "https://support.apple.com/en-us/HT212819", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT212819"}, {"name": "https://support.apple.com/en-us/HT212815", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT212815"}, {"name": "https://support.apple.com/kb/HT212869", "refsource": "CONFIRM", "url": "https://support.apple.com/kb/HT212869"}, {"name": "[oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:48:13.794Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT212814"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT212819"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT212815"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/kb/HT212869"}, {"name": "[oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"}]}]}, "cveMetadata": {"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "assignerShortName": "apple", "cveId": "CVE-2021-30884", "datePublished": "2021-08-24T18:49:48.000Z", "dateReserved": "2021-04-13T00:00:00.000Z", "dateUpdated": "2024-08-03T22:48:13.794Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "15", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "tvOS", "vendor": "Apple", "versions": [{"lessThan": "15", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "090FB24C-D685-4422-A936-821B30F9655D", "versionEndExcluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5354DEB-CF04-4795-8D90-E280F0A859CA", "versionEndExcluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "579B2A0D-A84F-45C2-B545-35ECEA3297DA", "versionEndExcluding": "12.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "matchCriteriaId": "B32A978E-673C-421D-93A1-CA84D90B67E4", "versionEndExcluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "matchCriteriaId": "5364285F-B3F2-465B-B738-2FC1C8913A44", "versionEndExcluding": "8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history."}, {"lang": "es", "value": "El problema se resolvi\u00f3 con restricciones adicionales en la composici\u00f3n de CSS. Este problema se corrigi\u00f3 en tvOS versi\u00f3n 15, watchOS versi\u00f3n 8, iOS versi\u00f3n 15 y iPadOS versi\u00f3n 15. Visitar un sitio web dise\u00f1ado de forma maliciosa puede revelar el historial de navegaci\u00f3n de un usuario"}], "id": "CVE-2021-30884", "lastModified": "2026-06-17T03:51:04.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-24T19:15:16.457", "references": [{"source": "product-security@apple.com", "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"}, {"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/HT212819"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/kb/HT212869"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"}, {"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/HT212819"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/kb/HT212869"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "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: CSS compositing issue leading to revealing of the browsing history", "id": "2034378", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034378"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.", "A flaw was found in the way WebKitGTK performed CSS compositing. A malicious web site could possibly use this flaw to reveal user's browsing history."], "name": "CVE-2021-30884", "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": "2021-12-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-30884\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30884"], "threat_severity": "Low"}

{}