{
    "id": "CVE-2017-8779",
    "published": "2017-05-04 14:29:00",
    "last_modified": "2026-06-17 01:26:56",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "cwe": "CWE-770",
    "description": "rpcbind through 0.2.4, LIBTIRPC through 1.0.1 and 1.0.2-rc through 1.0.2-rc3, and NTIRPC through 1.4.3 do not consider the maximum RPC data size during memory allocation for XDR strings, which allows remote attackers to cause a denial of service (memory consumption with no subsequent free) via a crafted UDP packet to port 111, aka rpcbomb.",
    "epss_score": "0.81230",
    "epss_percentile": "0.99626",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:21:18",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "libtirpc_project",
            "product": "libtirpc"
        },
        {
            "vendor": "ntirpc_project",
            "product": "ntirpc"
        },
        {
            "vendor": "rpcbind_project",
            "product": "rpcbind"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "41974",
            "title": "RPCBind / libtirpc - Denial of Service",
            "date": "2017-05-08",
            "url": "https://www.exploit-db.com/exploits/41974"
        }
    ],
    "refs_list": [
        "http://openwall.com/lists/oss-security/2017/05/03/12",
        "http://openwall.com/lists/oss-security/2017/05/04/1",
        "http://www.debian.org/security/2017/dsa-3845",
        "http://www.securityfocus.com/bid/98325",
        "http://www.securitytracker.com/id/1038532",
        "https://access.redhat.com/errata/RHBA-2017:1497",
        "https://access.redhat.com/errata/RHSA-2017:1262",
        "https://access.redhat.com/errata/RHSA-2017:1263",
        "https://access.redhat.com/errata/RHSA-2017:1267",
        "https://access.redhat.com/errata/RHSA-2017:1268",
        "https://access.redhat.com/errata/RHSA-2017:1395",
        "https://github.com/drbothen/GO-RPCBOMB",
        "https://github.com/guidovranken/rpcbomb/",
        "https://guidovranken.wordpress.com/2017/05/03/rpcbomb-remote-rpcbind-denial-of-service-patches/",
        "https://security.gentoo.org/glsa/201706-07",
        "https://security.netapp.com/advisory/ntap-20180109-0001/",
        "https://usn.ubuntu.com/3759-1/",
        "https://usn.ubuntu.com/3759-2/",
        "https://www.exploit-db.com/exploits/41974/",
        "http://openwall.com/lists/oss-security/2017/05/03/12",
        "http://openwall.com/lists/oss-security/2017/05/04/1",
        "http://www.debian.org/security/2017/dsa-3845",
        "http://www.securityfocus.com/bid/98325",
        "http://www.securitytracker.com/id/1038532",
        "https://access.redhat.com/errata/RHBA-2017:1497"
    ]
}