{
    "id": "CVE-2016-7942",
    "published": "2016-12-13 20:59:05",
    "last_modified": "2026-06-17 00:53:47",
    "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-264",
    "description": "The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.",
    "epss_score": "0.04459",
    "epss_percentile": "0.91173",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:14",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "x.org",
            "product": "libx11"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2016/10/04/2",
        "http://www.openwall.com/lists/oss-security/2016/10/04/4",
        "http://www.securityfocus.com/bid/93363",
        "http://www.securitytracker.com/id/1036945",
        "https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/",
        "https://lists.x.org/archives/xorg-announce/2016-October/002720.html",
        "https://security.gentoo.org/glsa/201704-03",
        "https://usn.ubuntu.com/3758-1/",
        "https://usn.ubuntu.com/3758-2/",
        "http://www.openwall.com/lists/oss-security/2016/10/04/2",
        "http://www.openwall.com/lists/oss-security/2016/10/04/4",
        "http://www.securityfocus.com/bid/93363",
        "http://www.securitytracker.com/id/1036945",
        "https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/",
        "https://lists.x.org/archives/xorg-announce/2016-October/002720.html",
        "https://security.gentoo.org/glsa/201704-03",
        "https://usn.ubuntu.com/3758-1/",
        "https://usn.ubuntu.com/3758-2/"
    ]
}