A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "gir1.2-javascriptcoregtk-4.0"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "gir1.2-webkit2-4.0"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libjavascriptcoregtk-4.0-18"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libjavascriptcoregtk-4.0-bin"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libjavascriptcoregtk-4.0-dev"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libwebkit2gtk-4.0-37"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libwebkit2gtk-4.0-37-gtk2"
        },
        {
            "binary_version": "2.16.3-0ubuntu0.16.04.1",
            "binary_name": "libwebkit2gtk-4.0-dev"
        }
    ]
}
          {
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2017-2496"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2017-2510"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2017-2539"
        }
    ]
}