{
    "id": "CVE-2018-6797",
    "published": "2018-04-17 20:29:00",
    "last_modified": "2026-06-17 02:02:18",
    "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-787",
    "description": "An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.",
    "epss_score": "0.06477",
    "epss_percentile": "0.93562",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-06 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": "perl",
            "product": "perl"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securitytracker.com/id/1040681",
        "http://www.securitytracker.com/id/1042004",
        "https://access.redhat.com/errata/RHSA-2018:1192",
        "https://rt.perl.org/Public/Bug/Display.html?id=132227",
        "https://security.gentoo.org/glsa/201909-01",
        "https://usn.ubuntu.com/3625-1/",
        "https://www.debian.org/security/2018/dsa-4172",
        "https://www.oracle.com/security-alerts/cpujul2020.html",
        "http://www.securitytracker.com/id/1040681",
        "http://www.securitytracker.com/id/1042004",
        "https://access.redhat.com/errata/RHSA-2018:1192",
        "https://rt.perl.org/Public/Bug/Display.html?id=132227",
        "https://security.gentoo.org/glsa/201909-01",
        "https://usn.ubuntu.com/3625-1/",
        "https://www.debian.org/security/2018/dsa-4172",
        "https://www.oracle.com/security-alerts/cpujul2020.html"
    ]
}