{
    "id": "CVE-2009-3691",
    "published": "2009-10-13 10:30:00",
    "last_modified": "2026-06-16 23:12:09",
    "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-189",
    "description": "Multiple integer overflows in setnet32.exe 3.50.0.13752 in IBM Informix Client SDK 3.0 and 3.50 and Informix Connect Runtime 3.x allow remote attackers to execute arbitrary code via a .nfx file with a crafted (1) HostSize, and possibly (2) ProtoSize and (3) ServerSize, field that triggers a stack-based buffer overflow involving a crafted HostList field.  NOTE: some of these details are obtained from third party information.",
    "epss_score": "0.07040",
    "epss_percentile": "0.94006",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-05 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "ibm",
            "product": "informix_client_sdk"
        },
        {
            "vendor": "ibm",
            "product": "informix_connect_runtime"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "10070",
            "title": "IBM Informix Client SDK 3.0 - '.nfx' File Integer Overflow",
            "date": "2009-10-05",
            "url": "https://www.exploit-db.com/exploits/10070"
        }
    ],
    "refs_list": [
        "http://retrogod.altervista.org/9sg_ibm_setnet32.html",
        "http://secunia.com/advisories/36949",
        "http://securitytracker.com/id?1022985",
        "http://www.osvdb.org/58530",
        "http://www.securityfocus.com/bid/36588",
        "http://www.vupen.com/english/advisories/2009/2834",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/53644",
        "http://retrogod.altervista.org/9sg_ibm_setnet32.html",
        "http://secunia.com/advisories/36949",
        "http://securitytracker.com/id?1022985",
        "http://www.osvdb.org/58530",
        "http://www.securityfocus.com/bid/36588",
        "http://www.vupen.com/english/advisories/2009/2834",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/53644"
    ]
}