{
    "id": "CVE-2016-6504",
    "published": "2016-08-06 23:59:01",
    "last_modified": "2026-06-17 00:51:17",
    "cvss_score": "5.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "cwe": "CWE-476",
    "description": "epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.",
    "epss_score": "0.06593",
    "epss_percentile": "0.93627",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:16",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "wireshark",
            "product": "wireshark"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40194",
            "title": "Wireshark 1.12.0 < 1.12.12 - NDS Dissector Denial of Service",
            "date": "2016-08-03",
            "url": "https://www.exploit-db.com/exploits/40194"
        }
    ],
    "refs_list": [
        "http://openwall.com/lists/oss-security/2016/07/28/3",
        "http://www.debian.org/security/2016/dsa-3648",
        "http://www.securityfocus.com/bid/92164",
        "http://www.securitytracker.com/id/1036480",
        "http://www.wireshark.org/security/wnpa-sec-2016-40.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576",
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9eacbb4d48df647648127b9258f9e5aeeb0c7d99",
        "https://www.exploit-db.com/exploits/40194/",
        "http://openwall.com/lists/oss-security/2016/07/28/3",
        "http://www.debian.org/security/2016/dsa-3648",
        "http://www.securityfocus.com/bid/92164",
        "http://www.securitytracker.com/id/1036480",
        "http://www.wireshark.org/security/wnpa-sec-2016-40.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576",
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9eacbb4d48df647648127b9258f9e5aeeb0c7d99",
        "https://www.exploit-db.com/exploits/40194/"
    ]
}