{
    "id": "CVE-2018-0684",
    "published": "2018-11-15 15:29:00",
    "last_modified": "2026-06-17 01:31:26",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R3.0 and earlier, Denbun IMAP version V3.3I R3.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via multipart/form-data format data.",
    "epss_score": "0.03584",
    "epss_percentile": "0.89117",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 18:17:19",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "neo",
            "product": "debun_imap"
        },
        {
            "vendor": "neo",
            "product": "debun_pop"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://jvn.jp/en/jp/JVN00344155/index.html",
        "https://www.denbun.com/en/imap/support/security/181003.html",
        "https://www.denbun.com/en/pop/support/security/181003.html",
        "http://jvn.jp/en/jp/JVN00344155/index.html",
        "https://www.denbun.com/en/imap/support/security/181003.html",
        "https://www.denbun.com/en/pop/support/security/181003.html"
    ]
}