{
    "id": "CVE-2018-5089",
    "published": "2018-06-11 21:29:12",
    "last_modified": "2026-06-17 01:59:35",
    "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 were reported in Firefox 57 and Firefox ESR 52.5. 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 < 52.6, Firefox ESR < 52.6, and Firefox < 58.",
    "epss_score": "0.03301",
    "epss_percentile": "0.88209",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:18",
    "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_workstation"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/102783",
        "http://www.securitytracker.com/id/1040270",
        "https://access.redhat.com/errata/RHSA-2018:0122",
        "https://access.redhat.com/errata/RHSA-2018:0262",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1412420%2C1426783%2C1422389%2C1415598%2C1410134%2C1408017%2C1224396%2C1382366%2C1415582%2C1417797%2C1409951%2C1414452%2C1428589%2C1425780%2C1399520%2C1418854%2C1408276%2C1412145%2C1331209%2C1425612",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html",
        "https://usn.ubuntu.com/3544-1/",
        "https://usn.ubuntu.com/3688-1/",
        "https://www.debian.org/security/2018/dsa-4096",
        "https://www.debian.org/security/2018/dsa-4102",
        "https://www.mozilla.org/security/advisories/mfsa2018-02/",
        "https://www.mozilla.org/security/advisories/mfsa2018-03/",
        "https://www.mozilla.org/security/advisories/mfsa2018-04/",
        "http://www.securityfocus.com/bid/102783",
        "http://www.securitytracker.com/id/1040270",
        "https://access.redhat.com/errata/RHSA-2018:0122",
        "https://access.redhat.com/errata/RHSA-2018:0262",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1412420%2C1426783%2C1422389%2C1415598%2C1410134%2C1408017%2C1224396%2C1382366%2C1415582%2C1417797%2C1409951%2C1414452%2C1428589%2C1425780%2C1399520%2C1418854%2C1408276%2C1412145%2C1331209%2C1425612",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html",
        "https://usn.ubuntu.com/3544-1/",
        "https://usn.ubuntu.com/3688-1/",
        "https://www.debian.org/security/2018/dsa-4096",
        "https://www.debian.org/security/2018/dsa-4102"
    ]
}