CVE-2025-43529

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This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report."}, {"lang": "es", "value": "Un problema de uso despu\u00e9s de liberaci\u00f3n se abord\u00f3 con una gesti\u00f3n de memoria mejorada. Este problema est\u00e1 solucionado en watchOS 26.2, Safari 26.2, iOS 18.7.3 y iPadOS 18.7.3, iOS 26.2 y iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. El procesamiento de contenido web creado con fines maliciosos puede conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario. Apple tiene conocimiento de un informe que indica que este problema pudo haber sido explotado en un ataque extremadamente sofisticado contra individuos espec\u00edficos y dirigidos en versiones de iOS anteriores a iOS 26. Tambi\u00e9n se emiti\u00f3 CVE-2025-14174 en respuesta a este informe."}], "id": "CVE-2025-43529", "lastModified": "2026-10-07T11:10:00.153", "metrics": {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43529", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-12-18T04:55:16.426232Z", "version": "2.0.3"}}]}, "published": "2025-12-17T21:16:11.570", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125884"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125885"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125886"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125889"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125890"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125891"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125892"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "webkitgtk: webkitgtk: Use-after-free due to improper memory management", "id": "2423166", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423166"}, "csaw": true, "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": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in webkitgtk where when processing a maliciously crafted web content a use-after-free type of weaknesses may be triggered leading to a remote code execution in the client machine."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid processing untrusted web content. Additionally, disabling the JavaScript JIT compiler can reduce the attack surface. For applications using WebKitGTK, set the environment variable `JavaScriptCoreUseJIT=0` before launching the application. This may impact performance for JavaScript-heavy web content."}, "name": "CVE-2025-43529", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "pywebkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"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": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-43529\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-43529"], "statement": "This vulnerability is rated IMPORTANT for Red Hat products. A use-after-free flaw in webkitgtk, when processing maliciously crafted web content, can lead to remote code execution. Successful exploitation requires user interaction, where a victim must visit a malicious website.", "threat_severity": "Important"}

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