{
    "id": "CVE-2006-6334",
    "published": "2006-12-08 01:28:00",
    "last_modified": "2026-06-16 22:32:54",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": null,
    "description": "Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.",
    "epss_score": "0.34826",
    "epss_percentile": "0.98381",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:15:21",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "citrix",
            "product": "presentation_server_client"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "5106",
            "title": "Citrix Presentation Server Client - 'WFICA.OCX' ActiveX Heap Buffer Overflow",
            "date": "2008-02-12",
            "url": "https://www.exploit-db.com/exploits/5106"
        }
    ],
    "refs_list": [
        "http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf",
        "http://secunia.com/advisories/23246",
        "http://securityreason.com/securityalert/1995",
        "http://securitytracker.com/id?1017343",
        "http://support.citrix.com/article/CTX111827",
        "http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755",
        "http://www.kb.cert.org/vuls/id/210969",
        "http://www.securityfocus.com/archive/1/453760/100/0/threaded",
        "http://www.securityfocus.com/bid/21458",
        "http://www.tippingpoint.com/security/advisories/TSRT-06-15.html",
        "http://www.vupen.com/english/advisories/2006/4865",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/30740",
        "https://www.exploit-db.com/exploits/5106",
        "http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf",
        "http://secunia.com/advisories/23246",
        "http://securityreason.com/securityalert/1995",
        "http://securitytracker.com/id?1017343",
        "http://support.citrix.com/article/CTX111827",
        "http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755",
        "http://www.kb.cert.org/vuls/id/210969",
        "http://www.securityfocus.com/archive/1/453760/100/0/threaded",
        "http://www.securityfocus.com/bid/21458",
        "http://www.tippingpoint.com/security/advisories/TSRT-06-15.html",
        "http://www.vupen.com/english/advisories/2006/4865",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/30740"
    ]
}