CVE-2025-31217

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This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected Safari crash."}, {"lang": "es", "value": "El problema se solucion\u00f3 mejorando la validaci\u00f3n de entrada. Este problema est\u00e1 corregido en watchOS 11.5, tvOS 18.5, iPadOS 17.7.7, iOS 18.5 y iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5 y Safari 18.5. El procesamiento de contenido web malintencionado puede provocar un bloqueo inesperado de Safari."}], "id": "CVE-2025-31217", "lastModified": "2026-06-17T09:10:04.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-31217", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-13T20:14:03.835532Z", "version": "2.0.3"}}]}, "published": "2025-05-12T22:15:22.527", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122404"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122405"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122716"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122719"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122720"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122721"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122722"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/May/7"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T01:42:05.571455+00:00", "value": {"mitigation_remediation": ["Upgrade Safari, iOS, iPadOS, macOS Sequoia, tvOS, visionOS, and watchOS to the patched versions mentioned above.", "Ensure automatic OS and browser updates are turned on to receive future security fixes promptly.", "Avoid accessing untrusted websites or links until all systems are updated; consider using safe browsing extensions or content filtering to reduce the likelihood of loading malicious content."], "summary": {"action": "Apply Update", "impact": "Denial of Service via Crash"}, "threat_synthesis": {"affected_systems": "Apple Safari on macOS 15.5 (Sequoia), iOS 18.5, iPadOS 18.5 and 17.7.7, tvOS 18.5, visionOS 2.5, and watchOS 11.5 are affected. The vulnerability applies to Safari 18.5 and earlier releases on these operating systems.", "description_and_impact": "Improper input validation in Safari\u2019s content parser causes a crash when processing maliciously crafted web pages. The flaw, classified as CWE\u201120, does not enable code execution or data exposure; it merely destabilizes the browser, resulting in a denial of service for the user. The crash leaves no direct avenue for attackers to gain control but does allow disruption of browsing sessions and could be leveraged for high\u2011profile targeted attacks.", "risk_and_exploitability": "The CVSS score of 6.5 indicates a moderate severity. The EPSS score of less than 1% suggests that exploitation opportunities are rare at the current time, and the vulnerability is not listed in CISA\u2019s KEV catalog. Likely, an attacker would need to entice a user to visit a specially crafted web page, possibly via phishing or compromised sites, to trigger the crash. While local impact is limited to the affected device, repeated crashes could impair user productivity or serve as a foothold for more complex attacks if coupled with other vulnerabilities."}}}}, "created": "2026-04-28T01:45:18.317084+00:00", "title": "Unexpected Safari Crash Due to Improper Input Validation", "updated": "2026-04-28T01:45:18.317095+00:00", "vendors": []}