{
    "id": "CVE-2018-4243",
    "published": "2018-06-08 18:29:02",
    "last_modified": "2026-06-17 01:58:39",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the \"Kernel\" component. A buffer overflow in getvolattrlist allows attackers to execute arbitrary code in a privileged context via a crafted app.",
    "epss_score": "0.18540",
    "epss_percentile": "0.97169",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "apple_tv"
        },
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "apple",
            "product": "watchos"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "44848",
            "title": "Apple macOS/iOS Kernel - Heap Overflow Due to Lack of Lower Size Check in getvolattrlist",
            "date": "2018-06-06",
            "url": "https://www.exploit-db.com/exploits/44848"
        }
    ],
    "refs_list": [
        "http://www.securitytracker.com/id/1041027",
        "https://bugs.chromium.org/p/project-zero/issues/detail?id=1564",
        "https://support.apple.com/HT208848",
        "https://support.apple.com/HT208849",
        "https://support.apple.com/HT208850",
        "https://support.apple.com/HT208851",
        "https://www.exploit-db.com/exploits/44848/",
        "http://www.securitytracker.com/id/1041027",
        "https://bugs.chromium.org/p/project-zero/issues/detail?id=1564",
        "https://support.apple.com/HT208848",
        "https://support.apple.com/HT208849",
        "https://support.apple.com/HT208850",
        "https://support.apple.com/HT208851",
        "https://www.exploit-db.com/exploits/44848/"
    ]
}