{
    "id": "CVE-2018-7225",
    "published": "2018-02-19 15:29:00",
    "last_modified": "2026-06-17 02:02:49",
    "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": "An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.",
    "epss_score": "0.06106",
    "epss_percentile": "0.93233",
    "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": "libvncserver_project",
            "product": "libvncserver"
        },
        {
            "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.openwall.com/lists/oss-security/2018/02/18/1",
        "http://www.securityfocus.com/bid/103107",
        "https://access.redhat.com/errata/RHSA-2018:1055",
        "https://github.com/LibVNC/libvncserver/issues/218",
        "https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html",
        "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html",
        "https://security.gentoo.org/glsa/201908-05",
        "https://usn.ubuntu.com/3618-1/",
        "https://usn.ubuntu.com/4547-1/",
        "https://usn.ubuntu.com/4573-1/",
        "https://usn.ubuntu.com/4587-1/",
        "https://www.debian.org/security/2018/dsa-4221",
        "http://www.openwall.com/lists/oss-security/2018/02/18/1",
        "http://www.securityfocus.com/bid/103107",
        "https://access.redhat.com/errata/RHSA-2018:1055",
        "https://github.com/LibVNC/libvncserver/issues/218",
        "https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html",
        "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html",
        "https://security.gentoo.org/glsa/201908-05",
        "https://usn.ubuntu.com/3618-1/",
        "https://usn.ubuntu.com/4547-1/"
    ]
}