{
    "id": "CVE-2016-9941",
    "published": "2016-12-31 18:59:00",
    "last_modified": "2026-06-17 00:56:48",
    "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": "Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area.",
    "epss_score": "0.03732",
    "epss_percentile": "0.89554",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 18:17:17",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "libvncserver_project",
            "product": "libvncserver"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.debian.org/security/2017/dsa-3753",
        "http://www.securityfocus.com/bid/95170",
        "https://github.com/LibVNC/libvncserver/pull/137",
        "https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://security.gentoo.org/glsa/201702-24",
        "https://usn.ubuntu.com/4587-1/",
        "http://www.debian.org/security/2017/dsa-3753",
        "http://www.securityfocus.com/bid/95170",
        "https://github.com/LibVNC/libvncserver/pull/137",
        "https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11",
        "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html",
        "https://security.gentoo.org/glsa/201702-24",
        "https://usn.ubuntu.com/4587-1/"
    ]
}