{
    "id": "CVE-2009-4117",
    "published": "2009-12-01 00:30:00",
    "last_modified": "2026-06-16 23:13:04",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-119",
    "description": "Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions.  NOTE: some of these details are obtained from third party information.",
    "epss_score": "0.07776",
    "epss_percentile": "0.94479",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-04 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "sumatrapdfreader",
            "product": "sumatrapdf"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "10244",
            "title": "MuPDF < 20091125231942 - 'pdf_shade4.c' Multiple Stack Buffer Overflows",
            "date": "2009-11-28",
            "url": "https://www.exploit-db.com/exploits/10244"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0330.html",
        "http://blog.kowalczyk.info/software/sumatrapdf/news.html",
        "http://secunia.com/advisories/37494",
        "http://secunia.com/advisories/37513",
        "http://www.vupen.com/english/advisories/2009/3355",
        "https://bugs.ghostscript.com/show_bug.cgi?id=708030",
        "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a21cc1548993c392e474817bb3d656eb3730d88f",
        "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=cf6860c3d70a2f7a63cdb621cc3b58c891915deb",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/54441",
        "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0330.html",
        "http://blog.kowalczyk.info/software/sumatrapdf/news.html",
        "http://secunia.com/advisories/37494",
        "http://secunia.com/advisories/37513",
        "http://www.vupen.com/english/advisories/2009/3355",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/54441"
    ]
}