{
    "id": "CVE-2006-4516",
    "published": "2006-10-12 00:07:00",
    "last_modified": "2026-06-16 22:29:15",
    "cvss_score": "4.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": null,
    "description": "Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.",
    "epss_score": "0.00812",
    "epss_percentile": "0.55855",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-13 18:17:05",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "freebsd",
            "product": "freebsd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "2524",
            "title": "FreeBSD 5.4/6.0 - 'ptrace PT_LWPINFO' Local Denial of Service",
            "date": "2006-10-12",
            "url": "https://www.exploit-db.com/exploits/2524"
        }
    ],
    "refs_list": [
        "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419",
        "http://secunia.com/advisories/22367",
        "http://www.securityfocus.com/bid/20440",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/29476",
        "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419",
        "http://secunia.com/advisories/22367",
        "http://www.securityfocus.com/bid/20440",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/29476"
    ]
}