{
    "id": "CVE-2017-14064",
    "published": "2017-08-31 17:29:00",
    "last_modified": "2026-06-17 01:05:31",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.",
    "epss_score": "0.09445",
    "epss_percentile": "0.95287",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:15",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_tus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "ruby-lang",
            "product": "ruby"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/100890",
        "http://www.securitytracker.com/id/1039363",
        "http://www.securitytracker.com/id/1042004",
        "https://access.redhat.com/errata/RHSA-2017:3485",
        "https://access.redhat.com/errata/RHSA-2018:0378",
        "https://access.redhat.com/errata/RHSA-2018:0583",
        "https://access.redhat.com/errata/RHSA-2018:0585",
        "https://bugs.ruby-lang.org/issues/13853",
        "https://github.com/flori/json/commit/8f782fd8e181d9cfe9387ded43a5ca9692266b85",
        "https://hackerone.com/reports/209949",
        "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html",
        "https://security.gentoo.org/glsa/201710-18",
        "https://usn.ubuntu.com/3685-1/",
        "https://www.debian.org/security/2017/dsa-3966",
        "https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/",
        "https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/",
        "http://www.securityfocus.com/bid/100890",
        "http://www.securitytracker.com/id/1039363",
        "http://www.securitytracker.com/id/1042004",
        "https://access.redhat.com/errata/RHSA-2017:3485",
        "https://access.redhat.com/errata/RHSA-2018:0378",
        "https://access.redhat.com/errata/RHSA-2018:0583",
        "https://access.redhat.com/errata/RHSA-2018:0585",
        "https://bugs.ruby-lang.org/issues/13853",
        "https://github.com/flori/json/commit/8f782fd8e181d9cfe9387ded43a5ca9692266b85"
    ]
}