{
    "id": "CVE-2018-15126",
    "published": "2018-12-19 16:29:00",
    "last_modified": "2026-06-17 01:42:05",
    "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-416",
    "description": "LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution",
    "epss_score": "0.11809",
    "epss_percentile": "0.95971",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 11.8% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "libvnc_project",
            "product": "libvncserver"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-027-libvnc-heap-use-after-free/",
        "https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://usn.ubuntu.com/3877-1/",
        "https://www.debian.org/security/2019/dsa-4383",
        "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-027-libvnc-heap-use-after-free/",
        "https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://usn.ubuntu.com/3877-1/",
        "https://www.debian.org/security/2019/dsa-4383"
    ]
}