{
    "id": "CVE-2018-12378",
    "published": "2018-10-18 13:29:05",
    "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-416",
    "description": "A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.",
    "epss_score": "0.03357",
    "epss_percentile": "0.88389",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 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": "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/show_bug.cgi?id=1459383",
        "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/show_bug.cgi?id=1459383",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html"
    ]
}