{
    "id": "CVE-2006-4364",
    "published": "2006-08-27 02:04:00",
    "last_modified": "2026-06-16 22:28:57",
    "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": "Multiple heap-based buffer overflows in the POP3 server in Alt-N Technologies MDaemon before 9.0.6 allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via long strings that contain '@' characters in the (1) USER and (2) APOP commands.",
    "epss_score": "0.57274",
    "epss_percentile": "0.99046",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:15:12",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "alt-n",
            "product": "mdaemon"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "2258",
            "title": "Alt-N MDaemon POP3 Server < 9.06 - 'USER' Remote Heap Overflow",
            "date": "2006-08-26",
            "url": "https://www.exploit-db.com/exploits/2258"
        },
        {
            "source": "exploit-db",
            "ref_id": "2245",
            "title": "MDaemon POP3 Server < 9.06 - 'USER' Remote Buffer Overflow (PoC)",
            "date": "2006-08-22",
            "url": "https://www.exploit-db.com/exploits/2245"
        }
    ],
    "refs_list": [
        "http://files.altn.com/MDaemon/Release/RelNotes_en.txt",
        "http://secunia.com/advisories/21595",
        "http://securityreason.com/securityalert/1446",
        "http://securitytracker.com/id?1016729",
        "http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-08-04",
        "http://www.osvdb.org/28125",
        "http://www.securityfocus.com/archive/1/444015/100/0/threaded",
        "http://www.securityfocus.com/bid/19651",
        "http://www.vupen.com/english/advisories/2006/3361",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/28517",
        "https://www.exploit-db.com/exploits/2245",
        "http://files.altn.com/MDaemon/Release/RelNotes_en.txt",
        "http://secunia.com/advisories/21595",
        "http://securityreason.com/securityalert/1446",
        "http://securitytracker.com/id?1016729",
        "http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-08-04",
        "http://www.osvdb.org/28125",
        "http://www.securityfocus.com/archive/1/444015/100/0/threaded",
        "http://www.securityfocus.com/bid/19651",
        "http://www.vupen.com/english/advisories/2006/3361",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/28517",
        "https://www.exploit-db.com/exploits/2245"
    ]
}