CVE-2025-24257

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "18.4", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "15.4", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "visionOS", "vendor": "Apple", "versions": [{"lessThan": "2.4", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "11.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B3450F7-7B4A-46CE-A6E0-BBE6569F2EBF", "versionEndExcluding": "18.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "0D9C73F9-FEF4-4FC1-B83D-56566AD35990", "versionEndExcluding": "18.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "1320B815-0457-4276-83B9-AFAFDAF17EDA", "versionEndExcluding": "15.4", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "matchCriteriaId": "E82603D7-A630-4B9B-9C51-880667F05EC7", "versionEndExcluding": "2.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, watchOS 11.4. An app may be able to cause unexpected system termination or write kernel memory."}, {"lang": "es", "value": "Se solucion\u00f3 un problema de escritura fuera de los l\u00edmites mejorando la validaci\u00f3n de entrada. Este problema se solucion\u00f3 en visionOS 2.4, iOS 18.4, iPadOS 18.4 y macOS Sequoia 15.4. Una aplicaci\u00f3n podr\u00eda provocar la finalizaci\u00f3n inesperada del sistema o escribir en la memoria del kernel."}], "id": "CVE-2025-24257", "lastModified": "2026-06-17T08:58:25.813", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-24257", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-02T19:09:50.687666Z", "version": "2.0.3"}}]}, "published": "2025-03-31T23:15:22.673", "references": [{"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/122371"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/122373"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/122376"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/122378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Apr/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Apr/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Apr/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Apr/8"}], "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": "2026-04-28T19:05:50.460892+00:00", "value": {"mitigation_remediation": ["Upgrade to iOS 18.4 or newer, iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, or watchOS 11.4 to receive the vendor patch that adds strict input validation.", "Enable automatic system updates on all affected devices so that future security fixes are applied promptly.", "Restrict application installations to those obtained from the official Apple App Store, and disable sideloading or unsigned applications to reduce the risk of malicious input.", "Monitor system logs for kernel panics or unexpected terminations and apply any additional vendor updates as they become available."], "summary": {"action": "Patch Now", "impact": "Kernel memory corruption"}, "threat_synthesis": {"affected_systems": "Apple\u2019s iOS, iPadOS, macOS, visionOS, and watchOS devices are affected, specifically versions prior to iOS 18.4, iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, and watchOS 11.4. These operating systems cover mobile phones, tablets, desktops, AR/VR headsets, and smartwatches.", "description_and_impact": "The vulnerability is an out-of-bounds write that allows corruption of kernel memory. A malicious application that supplies specially crafted input can write beyond the intended boundary, potentially causing a system crash or writing to kernel addresses as described. The CVE notes that this can lead to unexpected system termination or kernel memory writes, but it does not demonstrate that arbitrary code execution is possible beyond the kernel.", "risk_and_exploitability": "With a CVSS score of 7.1 the vulnerability is considered high severity. The EPSS score of less than 1 % indicates a low current exploitation likelihood, and the vulnerability is not listed in the CISA KEV catalog. The attack vector is local, requiring that an application be installed on the device to supply the malformed input; newer releases that include the improved input validation are no longer vulnerable."}}}}, "created": "2026-04-28T19:15:25.443803+00:00", "title": "Apple OS Out-of-Bounds Write Allowing Kernel Memory Corruption", "updated": "2026-04-28T19:15:25.443812+00:00", "vendors": []}