{
    "id": "CVE-1999-0393",
    "published": "1999-01-01 05:00:00",
    "last_modified": "2026-06-16 21:48:18",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": null,
    "description": "Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.",
    "epss_score": "0.02427",
    "epss_percentile": "0.83720",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-07 18:17:02",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "eric_allman",
            "product": "sendmail"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "23167",
            "title": "Sendmail 8.9.2 - Headers Prescan Denial of Service",
            "date": "1998-12-12",
            "url": "https://www.exploit-db.com/exploits/23167"
        }
    ],
    "refs_list": [
        "http://marc.info/?l=bugtraq&m=91694391227372&w=2",
        "http://marc.info/?l=bugtraq&m=91694391227372&w=2"
    ]
}