{
    "id": "CVE-2019-8506",
    "published": "2019-12-18 18:15:22",
    "last_modified": "2026-06-17 02:42:03",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-843",
    "description": "A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.",
    "epss_score": "0.16159",
    "epss_percentile": "0.96824",
    "kev": 1,
    "kev_due": "2022-05-25",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:25:10",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-25."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "icloud"
        },
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "itunes"
        },
        {
            "vendor": "apple",
            "product": "safari"
        },
        {
            "vendor": "apple",
            "product": "tvos"
        },
        {
            "vendor": "apple",
            "product": "watchos"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-8506",
        "date_added": "2022-05-04",
        "due_date": "2022-05-25",
        "vendor": "Apple",
        "product": "Multiple Products",
        "name": "Apple Multiple Products Type Confusion Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46647",
            "title": "WebKit JavaScriptCore - 'createRegExpMatchesArray' Type Confusion",
            "date": "2019-04-03",
            "url": "https://www.exploit-db.com/exploits/46647"
        }
    ],
    "refs_list": [
        "https://support.apple.com/HT209599",
        "https://support.apple.com/HT209601",
        "https://support.apple.com/HT209602",
        "https://support.apple.com/HT209603",
        "https://support.apple.com/HT209604",
        "https://support.apple.com/HT209605",
        "https://support.apple.com/HT209599",
        "https://support.apple.com/HT209601",
        "https://support.apple.com/HT209602",
        "https://support.apple.com/HT209603",
        "https://support.apple.com/HT209604",
        "https://support.apple.com/HT209605",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8506"
    ]
}