CVE-2025-43209

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-43209", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2025-04-16T15:24:37.088Z", "datePublished": "2025-07-29T23:35:27.601Z", "dateUpdated": "2026-04-02T18:14:21.694Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Processing maliciously crafted web content may lead to an unexpected Safari crash"}]}], "affected": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "18.6", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "17.7.9", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "13.7.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "14.7.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "15.6", "versionType": "custom"}]}, {"vendor": "Apple", "product": "tvOS", "versions": [{"version": "0", "status": "affected", "lessThan": "18.6", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"version": "0", "status": "affected", "lessThan": "2.6", "versionType": "custom"}]}, {"vendor": "Apple", "product": "watchOS", "versions": [{"version": "0", "status": "affected", "lessThan": "11.6", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash."}], "references": [{"url": "https://support.apple.com/en-us/124147"}, {"url": "https://support.apple.com/en-us/124148"}, {"url": "https://support.apple.com/en-us/124149"}, {"url": "https://support.apple.com/en-us/124150"}, {"url": "https://support.apple.com/en-us/124151"}, {"url": "https://support.apple.com/en-us/124153"}, {"url": "https://support.apple.com/en-us/124154"}, {"url": "https://support.apple.com/en-us/124155"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-04-02T18:14:21.694Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-07-30T13:25:26.617061Z", "id": "CVE-2025-43209", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-07-30T18:07:32.762Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://seclists.org/fulldisclosure/2025/Jul/37"}, {"url": "http://seclists.org/fulldisclosure/2025/Jul/36"}, {"url": "http://seclists.org/fulldisclosure/2025/Jul/34"}, {"url": "http://seclists.org/fulldisclosure/2025/Jul/33"}, {"url": "http://seclists.org/fulldisclosure/2025/Jul/32"}, {"url": "http://seclists.org/fulldisclosure/2025/Jul/31"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:00:19.886Z"}}]}}

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "18.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "iPadOS", "vendor": "Apple", "versions": [{"lessThan": "17.7.9", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "13.7.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "14.7.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "15.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "tvOS", "vendor": "Apple", "versions": [{"lessThan": "18.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "visionOS", "vendor": "Apple", "versions": [{"lessThan": "2.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "11.6", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "E2A4A63D-08FE-4021-8059-FB290A7F398A", "versionEndExcluding": "17.7.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "2E56FF85-7920-40F5-BF37-32C8C839CCC8", "versionEndExcluding": "18.6", "versionStartIncluding": "18.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "BD9D42A7-DE2A-4D5A-8C7B-002A60148483", "versionEndExcluding": "18.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "32DF9916-8A45-426F-BA36-FC73FD668828", "versionEndExcluding": "13.7.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F043DE0-C517-463D-9693-53789EB6132D", "versionEndExcluding": "14.7.7", "versionStartIncluding": "14.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CF17CE2-DB4B-48D1-81AF-67EF1EC7BB45", "versionEndExcluding": "15.6", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "matchCriteriaId": "FBC1698A-3E9C-4055-B23A-13A3C22BD6EE", "versionEndExcluding": "18.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "matchCriteriaId": "EADBC0BD-ECAC-4E0A-B490-24649AFE5355", "versionEndExcluding": "2.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "matchCriteriaId": "35D9C2D7-6120-4631-8D0B-259641DFD85B", "versionEndExcluding": "11.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash."}, {"lang": "es", "value": "Se solucion\u00f3 un problema de acceso fuera de los l\u00edmites mejorando la comprobaci\u00f3n de los l\u00edmites. Este problema est\u00e1 corregido en macOS Sequoia 15.6, iPadOS 17.7.9, iOS 18.6 y iPadOS 18.6, tvOS 18.6, macOS Sonoma 14.7.7, watchOS 11.6, visionOS 2.6 y macOS Ventura 13.7.7. El procesamiento de contenido web manipulado con fines malintencionados puede provocar un bloqueo inesperado de Safari."}], "id": "CVE-2025-43209", "lastModified": "2026-06-17T09:23:29.833", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43209", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-07-30T13:25:26.617061Z", "version": "2.0.3"}}]}, "published": "2025-07-30T00:15:33.053", "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/124150"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/124151"}, {"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/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/33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/34"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/36"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jul/37"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T10:57:56.662362+00:00", "value": {"mitigation_remediation": ["Install the latest version of the target OS \u2013 iOS\u00a018.6 or newer, iPadOS\u00a018.6 or 17.7.9, macOS\u00a0Sequoia\u00a015.6, Sonoma\u00a014.7.7, Ventura\u00a013.7.7, tvOS\u00a018.6, visionOS\u00a02.6, or watchOS\u00a011.6.", "As a temporary interim measure, restrict users from loading unknown web content or disable automatic loading of remote scripts where possible.", "Apply network or content filtering to block known malicious domains, reducing the chance that a dangerous web page is accessed."], "summary": {"action": "Apply Patch", "impact": "Denial of Service via Safari crash"}, "threat_synthesis": {"affected_systems": "Apple iOS and iPadOS, Apple macOS, Apple tvOS, Apple visionOS, and Apple watchOS are affected. The vulnerability is fixed in iOS\u00a018.6 and iPadOS\u00a018.6, iPadOS\u00a017.7.9, macOS Sequoia\u00a015.6, macOS Sonoma\u00a014.7.7, macOS Ventura\u00a013.7.7, tvOS\u00a018.6, visionOS\u00a02.6, and watchOS\u00a011.6.", "description_and_impact": "An out\u2011of\u2011bounds access flaw in Apple\u2019s Safari rendering engine was corrected with bounds checking. When a malicious web page is rendered, the flaw can cause unexpected memory corruption and crash the browser, denying service to the user. The description does not indicate that the crash could be leveraged for code execution or data exfiltration, so the primary consequence is destabilization rather than privilege escalation.", "risk_and_exploitability": "The CVSS score of 9.8 signals a high severity problem, yet the EPSS score of less than 1% indicates that the likelihood of public exploitation is very low. It is not listed in the CISA KEV catalog. Attackers would need to drive the victim\u2019s Safari to process a specifically crafted web page; because Safari is a common browser, the vector is remote via normal web traffic. No further conditions are noted in the entry, so the flaw may be exploitable from a standard network connection without additional access."}}}}, "created": "2025-07-30T10:13:52.898766+00:00", "title": "Out\u2011of\u2011Bounds Access in Safari Rendering Engine Leading to Crash", "updated": "2026-04-28T11:00:14.180072+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipados", "apple$PRODUCT$macos", "apple$PRODUCT$macos_sequoia", "apple$PRODUCT$macos_sonoma", "apple$PRODUCT$macos_ventura", "apple$PRODUCT$tvos", "apple$PRODUCT$visionos", "apple$PRODUCT$watchos"]}