{
    "id": "CVE-2017-14491",
    "published": "2017-10-04 01:29:02",
    "last_modified": "2026-06-17 01:06:14",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-787",
    "description": "Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.",
    "epss_score": "0.84925",
    "epss_percentile": "0.99706",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:21:56",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "arista",
            "product": "eos"
        },
        {
            "vendor": "arubanetworks",
            "product": "arubaos"
        },
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "huawei",
            "product": "honor_v9_play"
        },
        {
            "vendor": "huawei",
            "product": "honor_v9_play_firmware"
        },
        {
            "vendor": "microsoft",
            "product": "windows"
        },
        {
            "vendor": "nvidia",
            "product": "geforce_experience"
        },
        {
            "vendor": "nvidia",
            "product": "jetson_tk1"
        },
        {
            "vendor": "nvidia",
            "product": "jetson_tx1"
        },
        {
            "vendor": "nvidia",
            "product": "linux_for_tegra"
        },
        {
            "vendor": "opensuse",
            "product": "leap"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_rm1224"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_rm1224_firmware"
        },
        {
            "vendor": "siemens",
            "product": "scalance_m-800"
        },
        {
            "vendor": "siemens",
            "product": "scalance_m-800_firmware"
        },
        {
            "vendor": "siemens",
            "product": "scalance_s615"
        },
        {
            "vendor": "siemens",
            "product": "scalance_s615_firmware"
        },
        {
            "vendor": "siemens",
            "product": "scalance_w1750d"
        },
        {
            "vendor": "siemens",
            "product": "scalance_w1750d_firmware"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_debuginfo"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_point_of_sale"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_server"
        },
        {
            "vendor": "synology",
            "product": "diskstation_manager"
        },
        {
            "vendor": "synology",
            "product": "router_manager"
        },
        {
            "vendor": "thekelleys",
            "product": "dnsmasq"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "42941",
            "title": "Dnsmasq < 2.78 - 2-byte Heap Overflow",
            "date": "2017-10-02",
            "url": "https://www.exploit-db.com/exploits/42941"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.html",
        "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.html",
        "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html",
        "http://nvidia.custhelp.com/app/answers/detail/a_id/4560",
        "http://nvidia.custhelp.com/app/answers/detail/a_id/4561",
        "http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.html",
        "http://thekelleys.org.uk/dnsmasq/CHANGELOG",
        "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=0549c73b7ea6b22a3c49beb4d432f185a81efcbc",
        "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt",
        "http://www.debian.org/security/2017/dsa-3989",
        "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171103-01-dnsmasq-en",
        "http://www.securityfocus.com/bid/101085",
        "http://www.securityfocus.com/bid/101977",
        "http://www.securitytracker.com/id/1039474",
        "http://www.ubuntu.com/usn/USN-3430-1",
        "http://www.ubuntu.com/usn/USN-3430-2",
        "http://www.ubuntu.com/usn/USN-3430-3",
        "https://access.redhat.com/errata/RHSA-2017:2836",
        "https://access.redhat.com/errata/RHSA-2017:2837",
        "https://access.redhat.com/errata/RHSA-2017:2838",
        "https://access.redhat.com/errata/RHSA-2017:2839",
        "https://access.redhat.com/errata/RHSA-2017:2840",
        "https://access.redhat.com/errata/RHSA-2017:2841",
        "https://access.redhat.com/security/vulnerabilities/3199382"
    ]
}