CVE-2025-43254

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{"affected": [{"affectedData": [{"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"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "038B07DF-897A-4651-9B8F-2CE40307BE31", "versionEndExcluding": "13.7.7", "versionStartIncluding": "13.0", "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}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination."}, {"lang": "es", "value": "Se solucion\u00f3 una lectura fuera de los l\u00edmites mejorando la validaci\u00f3n de entrada. Este problema se solucion\u00f3 en macOS Sequoia 15.6, macOS Ventura 13.7.7 y macOS Sonoma 14.7.7. El procesamiento de un archivo manipulado con fines malintencionados puede provocar el cierre inesperado de la aplicaci\u00f3n."}], "id": "CVE-2025-43254", "lastModified": "2026-06-17T09:23:35.990", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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-2025-43254", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-30T13:31:40.789967Z", "version": "2.0.3"}}]}, "published": "2025-07-30T00:15:37.267", "references": [{"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": "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"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T01:00:59.371092+00:00", "value": {"mitigation_remediation": ["Upgrade macOS to at least Sequoia\u202f15.6, Sonoma\u202f14.7.7, or Ventura\u202f13.7.7, which contain the input\u2011validation fix", "Configure the system to download and install automatic updates so that future patches are applied promptly", "Restrict or monitor the use of the vulnerable file types in the environment and block unknown or forged files from being processed by applications"], "summary": {"action": "Apply Patch", "impact": "Denial of Service (App Crash)"}, "threat_synthesis": {"affected_systems": "Apple\u2019s macOS operating system is impacted. The issue has been fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7, so any earlier macOS releases remain vulnerable.", "description_and_impact": "A vulnerability in macOS allows an attacker to trigger an out\u2011of\u2011bounds read by supplying a specially crafted file. The flaw is in data validation when processing the file, leading to unexpected application termination. The attacker cannot gain code execution or elevate privileges, but the application crash can disrupt services or user tasks.", "risk_and_exploitability": "The CVSS score of 7.1 indicates a high severity, but the EPSS score of less than 1% shows that it is unlikely to be exploited currently. The vulnerability is not listed in the CISA KEV catalog, suggesting no known active exploitation. Attackers would need to supply a malicious file to an application that processes the vulnerable file type, so the attack vector is local or remote file upload, depending on the target application's capabilities."}}}}, "created": "2025-07-30T11:10:19.948637+00:00", "title": "Out-of-Bounds Read Causing Application Crash in macOS", "updated": "2026-04-28T01:15:15.665230+00:00", "vendors": ["apple", "apple$PRODUCT$macos", "apple$PRODUCT$macos_sequoia", "apple$PRODUCT$macos_sonoma", "apple$PRODUCT$macos_ventura"]}