{
    "id": "CVE-2018-18311",
    "published": "2018-12-07 21:29:00",
    "last_modified": "2026-06-17 01:46:58",
    "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": "Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.",
    "epss_score": "0.11676",
    "epss_percentile": "0.95944",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 11.7% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "mcafee",
            "product": "web_gateway"
        },
        {
            "vendor": "netapp",
            "product": "e-series_santricity_os_controller"
        },
        {
            "vendor": "netapp",
            "product": "snap_creator_framework"
        },
        {
            "vendor": "netapp",
            "product": "snapcenter"
        },
        {
            "vendor": "netapp",
            "product": "snapdriver"
        },
        {
            "vendor": "perl",
            "product": "perl"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_tus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "redhat",
            "product": "openshift_container_platform"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://seclists.org/fulldisclosure/2019/Mar/49",
        "http://www.securityfocus.com/bid/106145",
        "http://www.securitytracker.com/id/1042181",
        "https://access.redhat.com/errata/RHBA-2019:0327",
        "https://access.redhat.com/errata/RHSA-2019:0001",
        "https://access.redhat.com/errata/RHSA-2019:0010",
        "https://access.redhat.com/errata/RHSA-2019:0109",
        "https://access.redhat.com/errata/RHSA-2019:1790",
        "https://access.redhat.com/errata/RHSA-2019:1942",
        "https://access.redhat.com/errata/RHSA-2019:2400",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1646730",
        "https://github.com/Perl/perl5/commit/34716e2a6ee2af96078d62b065b7785c001194be",
        "https://kc.mcafee.com/corporate/index?page=content&id=SB10278",
        "https://lists.debian.org/debian-lts-announce/2018/11/msg00039.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/",
        "https://metacpan.org/changes/release/SHAY/perl-5.26.3",
        "https://metacpan.org/changes/release/SHAY/perl-5.28.1",
        "https://rt.perl.org/Ticket/Display.html?id=133204",
        "https://seclists.org/bugtraq/2019/Mar/42",
        "https://security.gentoo.org/glsa/201909-01",
        "https://security.netapp.com/advisory/ntap-20190221-0003/",
        "https://support.apple.com/kb/HT209600",
        "https://usn.ubuntu.com/3834-1/",
        "https://usn.ubuntu.com/3834-2/",
        "https://www.debian.org/security/2018/dsa-4347"
    ]
}