{
    "id": "CVE-2018-5122",
    "published": "2018-06-11 21:29:13",
    "last_modified": "2026-06-17 01:59:39",
    "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-190",
    "description": "A potential integer overflow in the \"DoCrypt\" function of WebCrypto was identified. If a means was found of exploiting it, it could result in an out-of-bounds write. This vulnerability affects Firefox < 58.",
    "epss_score": "0.02826",
    "epss_percentile": "0.86228",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-12 18:17:19",
    "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": "mozilla",
            "product": "firefox"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/102786",
        "http://www.securitytracker.com/id/1040270",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1413841",
        "https://usn.ubuntu.com/3544-1/",
        "https://www.mozilla.org/security/advisories/mfsa2018-02/",
        "http://www.securityfocus.com/bid/102786",
        "http://www.securitytracker.com/id/1040270",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1413841",
        "https://usn.ubuntu.com/3544-1/",
        "https://www.mozilla.org/security/advisories/mfsa2018-02/"
    ]
}