{
    "id": "CVE-2018-12376",
    "published": "2018-10-18 13:29:04",
    "last_modified": "2026-06-17 01:37:39",
    "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-119",
    "description": "Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.",
    "epss_score": "0.03146",
    "epss_percentile": "0.87570",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:17",
    "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": "mozilla",
            "product": "firefox"
        },
        {
            "vendor": "mozilla",
            "product": "thunderbird"
        },
        {
            "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"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/105280",
        "http://www.securitytracker.com/id/1041610",
        "https://access.redhat.com/errata/RHSA-2018:2692",
        "https://access.redhat.com/errata/RHSA-2018:2693",
        "https://access.redhat.com/errata/RHSA-2018:3403",
        "https://access.redhat.com/errata/RHSA-2018:3458",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html",
        "https://security.gentoo.org/glsa/201810-01",
        "https://security.gentoo.org/glsa/201811-13",
        "https://usn.ubuntu.com/3761-1/",
        "https://usn.ubuntu.com/3793-1/",
        "https://www.debian.org/security/2018/dsa-4287",
        "https://www.debian.org/security/2018/dsa-4327",
        "https://www.mozilla.org/security/advisories/mfsa2018-20/",
        "https://www.mozilla.org/security/advisories/mfsa2018-21/",
        "https://www.mozilla.org/security/advisories/mfsa2018-25/",
        "http://www.securityfocus.com/bid/105280",
        "http://www.securitytracker.com/id/1041610",
        "https://access.redhat.com/errata/RHSA-2018:2692",
        "https://access.redhat.com/errata/RHSA-2018:2693",
        "https://access.redhat.com/errata/RHSA-2018:3403",
        "https://access.redhat.com/errata/RHSA-2018:3458",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html"
    ]
}