{
    "id": "CVE-2009-0692",
    "published": "2009-07-14 20:30:00",
    "last_modified": "2026-06-16 23:05:34",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-119",
    "description": "Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.",
    "epss_score": "0.25780",
    "epss_percentile": "0.97908",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "isc",
            "product": "dhcp"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "9265",
            "title": "ISC DHCP dhclient < 3.1.2p1 - Remote Buffer Overflow (PoC)",
            "date": "2009-07-27",
            "url": "https://www.exploit-db.com/exploits/9265"
        }
    ],
    "refs_list": [
        "http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-010.txt.asc",
        "http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083",
        "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00003.html",
        "http://secunia.com/advisories/35785",
        "http://secunia.com/advisories/35829",
        "http://secunia.com/advisories/35830",
        "http://secunia.com/advisories/35831",
        "http://secunia.com/advisories/35832",
        "http://secunia.com/advisories/35841",
        "http://secunia.com/advisories/35849",
        "http://secunia.com/advisories/35850",
        "http://secunia.com/advisories/35851",
        "http://secunia.com/advisories/35880",
        "http://secunia.com/advisories/36457",
        "http://secunia.com/advisories/37342",
        "http://secunia.com/advisories/40551",
        "http://security.gentoo.org/glsa/glsa-200907-12.xml",
        "http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561471",
        "http://www.debian.org/security/2009/dsa-1833",
        "http://www.kb.cert.org/vuls/id/410676",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:151",
        "http://www.osvdb.org/55819",
        "http://www.redhat.com/support/errata/RHSA-2009-1136.html",
        "http://www.redhat.com/support/errata/RHSA-2009-1154.html",
        "http://www.securityfocus.com/bid/35668"
    ]
}