{
    "id": "CVE-2009-1789",
    "published": "2009-05-26 16:30:02",
    "last_modified": "2026-06-16 23:08:03",
    "cvss_score": "4.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "cwe": null,
    "description": "mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.",
    "epss_score": "0.08488",
    "epss_percentile": "0.94850",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "eggheads",
            "product": "eggdrop"
        },
        {
            "vendor": "eggheads",
            "product": "eggdrop_irc_bot"
        },
        {
            "vendor": "philip_moore",
            "product": "windrop"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8695",
            "title": "Eggdrop/Windrop 1.6.19 - ctcpbuf Remote Crash",
            "date": "2009-05-15",
            "url": "https://www.exploit-db.com/exploits/8695"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html",
        "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778",
        "http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup",
        "http://osvdb.org/54460",
        "http://secunia.com/advisories/35104",
        "http://secunia.com/advisories/35158",
        "http://secunia.com/advisories/35690",
        "http://www.debian.org/security/2009/dsa-1826",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:126",
        "http://www.securityfocus.com/archive/1/503574",
        "http://www.securityfocus.com/bid/34985",
        "http://www.vupen.com/english/advisories/2009/1340",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/50547",
        "https://www.exploit-db.com/exploits/8695",
        "https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html",
        "http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html",
        "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778",
        "http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup",
        "http://osvdb.org/54460",
        "http://secunia.com/advisories/35104",
        "http://secunia.com/advisories/35158",
        "http://secunia.com/advisories/35690",
        "http://www.debian.org/security/2009/dsa-1826",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:126"
    ]
}