{
    "id": "CVE-2018-16517",
    "published": "2018-09-06 23:29:01",
    "last_modified": "2026-06-17 01:44:25",
    "cvss_score": "5.5",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
    "cwe": "CWE-476",
    "description": "asm/labels.c in Netwide Assembler (NASM) is prone to NULL Pointer Dereference, which allows the attacker to cause a denial of service via a crafted file.",
    "epss_score": "0.05166",
    "epss_percentile": "0.92189",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:21",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "nasm",
            "product": "netwide_assembler"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46726",
            "title": "Netwide Assembler (NASM) 2.14rc15 - NULL Pointer Dereference (PoC)",
            "date": "2019-04-18",
            "url": "https://www.exploit-db.com/exploits/46726"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html",
        "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html",
        "http://packetstormsecurity.com/files/152566/Netwide-Assembler-NASM-2.14rc15-Null-Pointer-Dereference.html",
        "https://bugzilla.nasm.us/show_bug.cgi?id=3392513",
        "https://fakhrizulkifli.github.io/CVE-2018-16517.html",
        "https://www.exploit-db.com/exploits/46726/",
        "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html",
        "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html",
        "http://packetstormsecurity.com/files/152566/Netwide-Assembler-NASM-2.14rc15-Null-Pointer-Dereference.html",
        "https://bugzilla.nasm.us/show_bug.cgi?id=3392513",
        "https://fakhrizulkifli.github.io/CVE-2018-16517.html",
        "https://www.exploit-db.com/exploits/46726/"
    ]
}