CVE-2025-31203

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This issue is fixed in iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, macOS Sonoma 14.7.5, tvOS 18.4, visionOS 2.4, watchOS 11.4. An attacker on the local network may be able to cause a denial-of-service."}, {"lang": "es", "value": "Se solucion\u00f3 un desbordamiento de enteros mejorando la validaci\u00f3n de entrada. Este problema se solucion\u00f3 en macOS Sequoia 15.4, tvOS 18.4, iPadOS 17.7.6, macOS Sonoma 14.7.5, iOS 18.4 y iPadOS 18.4, watchOS 11.4 y visionOS 2.4. Un atacante en la red local podr\u00eda provocar una denegaci\u00f3n de servicio."}], "id": "CVE-2025-31203", "lastModified": "2026-06-17T09:10:02.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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-2025-31203", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-29T15:17:06.258456Z", "version": "2.0.3"}}]}, "published": "2025-04-29T03:15:35.133", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122371"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122372"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122373"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122374"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122376"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122377"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122378"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T11:31:20.677885+00:00", "value": {"mitigation_remediation": ["Install the latest firmware updates for all Apple devices: iOS 18.4 or later, iPadOS 18.4 or 17.7.6 or later, macOS Sequoia 15.4 or Sonoma 14.7.5 or later, tvOS 18.4 or later, visionOS 2.4 or later, watchOS 11.4 or later.", "If a device cannot be updated, isolate it on a separate VLAN or restrict local network access to prevent untrusted hosts from reaching the device.", "Monitor the device for unexpected restarts or crashes that may indicate an attempted exploitation."], "summary": {"action": "Apply Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Apple iOS versions older than 18.4, iPadOS versions older than 18.4 or older than 17.7.6, macOS Sequoia versions older than 15.4, macOS Sonoma versions older than 14.7.5, tvOS versions older than 18.4, visionOS versions older than 2.4, and watchOS versions older than 11.4 are affected.", "description_and_impact": "An integer overflow flaw exists in input validation routines on Apple operating systems, allowing a local network attacker to trigger a denial\u2011of\u2011service condition. The weakness, classified as CWE\u2011190, leads to untrusted data being processed without proper bounds checking, which can cause the system to crash or become unresponsive. The impact is limited to the affected device and would not result in remote code execution or data exfiltration, but would deny legitimate users access to the device.", "risk_and_exploitability": "The CVSS score of 6.5 categorizes the vulnerability as medium severity, while an EPSS score of less than 1% indicates a low probability of exploitation in the wild. The vulnerability is not listed in the CISA KEV catalog, suggesting no known widespread exploitation. Attackers would need local network access to the device, implying that segmenting networks and restricting local traffic can reduce risk. Exploitation would cause a local device crash or reboot, observable as a sudden loss of service."}}}}, "created": "2026-04-28T11:45:30.242758+00:00", "title": "Local Network Integer Overflow Leading to Denial of Service", "updated": "2026-04-28T11:45:30.242783+00:00", "vendors": []}