CVE-2025-43211

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This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing web content may lead to a denial-of-service."}, {"lang": "es", "value": "El problema se solucion\u00f3 mejorando la gesti\u00f3n de la memoria. Este problema est\u00e1 corregido en macOS Sequoia 15.6, iPadOS 17.7.9, iOS 18.6 y iPadOS 18.6, tvOS 18.6, watchOS 11.6 y visionOS 2.6. El procesamiento de contenido web puede provocar una denegaci\u00f3n de servicio."}], "id": "CVE-2025-43211", "lastModified": "2026-06-17T09:23:30.133", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43211", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-30T18:06:53.396416Z", "version": "2.0.3"}}]}, "published": "2025-07-30T00:15:33.173", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124147"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124148"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124149"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124152"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124153"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124154"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124155"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Aug/0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/31"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/32"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/36"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/08/02/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "webkitgtk: Processing web content may lead to a denial-of-service", "id": "2386270", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2386270"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia 15.6, iPadOS 17.7.9, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing web content may lead to a denial-of-service."], "name": "CVE-2025-43211", "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": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-43211\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-43211\nhttps://webkitgtk.org/security/WSA-2025-0005.html"], "threat_severity": "Moderate"}

{"analysis": {"en": {"generated_at": "2026-04-28T10:56:06.186456+00:00", "value": {"mitigation_remediation": ["Update Safari to 18.6 or newer", "Update iOS to 18.6", "Update iPadOS to 18.6 or 17.7.9", "Update macOS to Sequoia 15.6", "Update tvOS to 18.6", "Update visionOS to 2.6", "Update watchOS to 11.6"], "summary": {"action": "Immediate Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Apple\u2019s WebKit\u2011based browsers and operating systems are affected. Notable impacted products include Safari, Safari on iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Fixed releases are Safari 18.6, iOS 18.6, iPadOS 18.6 and 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, and watchOS 11.6.", "description_and_impact": "The vulnerability in WebKitGTK can lead to a denial\u2011of\u2011service when a browser processes specially crafted web content. Based on the description, it is inferred that a flaw in memory handling may allow an attacker to exhaust system memory, causing the application to become unresponsive or crash. The weakness corresponds to CWE\u2011770, indicating a problem with memory allocation that can result in resource exhaustion.", "risk_and_exploitability": "The CVSS score of 6.2 indicates a moderate severity, and the EPSS score of less than 1% suggests a very low probability of exploitation. The vulnerability is not currently listed in CISA\u2019s KEV catalog. An attacker would need to deliver malicious web content to a vulnerable WebKitGTK instance, likely through a user\u2011initiated action such as visiting a compromised website; Based on the description, it is inferred that this could trigger memory exhaustion and force the browser to crash."}}}}, "created": "2025-07-30T10:14:03.963584+00:00", "updated": "2026-04-28T11:00:14.164763+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipados", "apple$PRODUCT$macos", "apple$PRODUCT$macos_sequoia", "apple$PRODUCT$tvos", "apple$PRODUCT$visionos", "apple$PRODUCT$watchos"]}