{
    "id": "CVE-2018-5188",
    "published": "2018-10-18 13:29:07",
    "last_modified": "2026-06-17 01:59:48",
    "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 60, Firefox ESR 60, and Firefox ESR 52.8. 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 Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.",
    "epss_score": "0.03945",
    "epss_percentile": "0.90131",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:20",
    "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": "firefox_esr"
        },
        {
            "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/104555",
        "https://access.redhat.com/errata/RHSA-2018:2112",
        "https://access.redhat.com/errata/RHSA-2018:2113",
        "https://access.redhat.com/errata/RHSA-2018:2251",
        "https://access.redhat.com/errata/RHSA-2018:2252",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456189%2C1456975%2C1465898%2C1392739%2C1451297%2C1464063%2C1437842%2C1442722%2C1452576%2C1450688%2C1458264%2C1458270%2C1465108%2C1464829%2C1464079%2C1463494%2C1458048",
        "https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html",
        "https://lists.debian.org/debian-lts-announce/2018/07/msg00013.html",
        "https://security.gentoo.org/glsa/201810-01",
        "https://security.gentoo.org/glsa/201811-13",
        "https://usn.ubuntu.com/3705-1/",
        "https://usn.ubuntu.com/3714-1/",
        "https://usn.ubuntu.com/3749-1/",
        "https://www.debian.org/security/2018/dsa-4244",
        "https://www.mozilla.org/security/advisories/mfsa2018-15/",
        "https://www.mozilla.org/security/advisories/mfsa2018-16/",
        "https://www.mozilla.org/security/advisories/mfsa2018-17/",
        "https://www.mozilla.org/security/advisories/mfsa2018-18/",
        "https://www.mozilla.org/security/advisories/mfsa2018-19/",
        "http://www.securityfocus.com/bid/104555",
        "https://access.redhat.com/errata/RHSA-2018:2112",
        "https://access.redhat.com/errata/RHSA-2018:2113",
        "https://access.redhat.com/errata/RHSA-2018:2251",
        "https://access.redhat.com/errata/RHSA-2018:2252",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456189%2C1456975%2C1465898%2C1392739%2C1451297%2C1464063%2C1437842%2C1442722%2C1452576%2C1450688%2C1458264%2C1458270%2C1465108%2C1464829%2C1464079%2C1463494%2C1458048"
    ]
}