{
    "id": "CVE-2009-1236",
    "published": "2009-04-02 17:30:00",
    "last_modified": "2026-06-16 23:06:49",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-119",
    "description": "Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.",
    "epss_score": "0.08414",
    "epss_percentile": "0.94837",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8262",
            "title": "Apple Mac OSX xnu 1228.3.13 - 'zip-notify' Remote Kernel Overflow (PoC)",
            "date": "2009-03-23",
            "url": "https://www.exploit-db.com/exploits/8262"
        }
    ],
    "refs_list": [
        "http://secunia.com/advisories/34424",
        "http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c",
        "http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181",
        "http://www.securityfocus.com/bid/34201",
        "https://www.exploit-db.com/exploits/8262",
        "http://secunia.com/advisories/34424",
        "http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c",
        "http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181",
        "http://www.securityfocus.com/bid/34201",
        "https://www.exploit-db.com/exploits/8262"
    ]
}