{
    "id": "CVE-2018-12293",
    "published": "2018-06-19 21:29:00",
    "last_modified": "2026-06-17 01:37:29",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-190",
    "description": "The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.",
    "epss_score": "0.10394",
    "epss_percentile": "0.95602",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "webkitgtk",
            "product": "webkitgtk\\+"
        },
        {
            "vendor": "wpewebkit",
            "product": "wpe_webkit"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "45205",
            "title": "WebkitGTK+ 2.20.3 - 'ImageBufferCairo::getImageData()' Buffer Overflow (PoC)",
            "date": "2018-08-16",
            "url": "https://www.exploit-db.com/exploits/45205"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html",
        "http://www.openwall.com/lists/oss-security/2018/06/14/1",
        "http://www.securityfocus.com/archive/1/542087/100/0/threaded",
        "https://bugs.webkit.org/show_bug.cgi?id=186384",
        "https://security.gentoo.org/glsa/201808-04",
        "https://trac.webkit.org/changeset/232618",
        "https://usn.ubuntu.com/3687-1/",
        "https://www.exploit-db.com/exploits/45205/",
        "http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html",
        "http://www.openwall.com/lists/oss-security/2018/06/14/1",
        "http://www.securityfocus.com/archive/1/542087/100/0/threaded",
        "https://bugs.webkit.org/show_bug.cgi?id=186384",
        "https://security.gentoo.org/glsa/201808-04",
        "https://trac.webkit.org/changeset/232618",
        "https://usn.ubuntu.com/3687-1/",
        "https://www.exploit-db.com/exploits/45205/"
    ]
}