{
    "id": "CVE-1999-0040",
    "published": "1997-05-01 04:00:00",
    "last_modified": "2026-06-16 21:47:25",
    "cvss_score": "7.2",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": null,
    "description": "Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.",
    "epss_score": "0.01228",
    "epss_percentile": "0.68057",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-11 18:17:01",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "bsdi",
            "product": "bsd_os"
        },
        {
            "vendor": "freebsd",
            "product": "freebsd"
        },
        {
            "vendor": "hp",
            "product": "hp-ux"
        },
        {
            "vendor": "ibm",
            "product": "aix"
        },
        {
            "vendor": "nec",
            "product": "asl_ux_4800"
        },
        {
            "vendor": "nec",
            "product": "ews-ux_v"
        },
        {
            "vendor": "nec",
            "product": "up-ux_v"
        },
        {
            "vendor": "sgi",
            "product": "irix"
        },
        {
            "vendor": "sun",
            "product": "solaris"
        },
        {
            "vendor": "sun",
            "product": "sunos"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "19200",
            "title": "BSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (1)",
            "date": "1997-08-25",
            "url": "https://www.exploit-db.com/exploits/19200"
        },
        {
            "source": "exploit-db",
            "ref_id": "19201",
            "title": "BSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (2)",
            "date": "1997-08-25",
            "url": "https://www.exploit-db.com/exploits/19201"
        },
        {
            "source": "exploit-db",
            "ref_id": "19202",
            "title": "BSD/OS 2.1 / Caldera UnixWare 7/7.1.0 / FreeBSD 1.1.5.1/2.0 / HP HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.3 / SunOS 4.1.4 - 'libXt Library' Local Overflow / Local Privilege Escalation (3)",
            "date": "1997-08-25",
            "url": "https://www.exploit-db.com/exploits/19202"
        },
        {
            "source": "exploit-db",
            "ref_id": "331",
            "title": "LibXt - 'XtAppInitialize()' Local Overflow *xterm",
            "date": "1997-05-14",
            "url": "https://www.exploit-db.com/exploits/331"
        },
        {
            "source": "exploit-db",
            "ref_id": "322",
            "title": "Xt Library - Local Privilege Escalation",
            "date": "1996-08-24",
            "url": "https://www.exploit-db.com/exploits/322"
        }
    ],
    "refs_list": [
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0040",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0040"
    ]
}