{
    "id": "CVE-2009-1232",
    "published": "2009-04-02 17:30:00",
    "last_modified": "2026-06-16 23:06:49",
    "cvss_score": "4.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-20",
    "description": "Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.",
    "epss_score": "0.05474",
    "epss_percentile": "0.92513",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "firefox"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8306",
            "title": "Mozilla Firefox 3.0.x - XML Parser Memory Corruption / Denial of Service (PoC)",
            "date": "2009-03-30",
            "url": "https://www.exploit-db.com/exploits/8306"
        }
    ],
    "refs_list": [
        "http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar",
        "http://websecurity.com.ua/3216/",
        "http://www.securityfocus.com/bid/34522",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=485941",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49521",
        "https://www.exploit-db.com/exploits/8306",
        "http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar",
        "http://websecurity.com.ua/3216/",
        "http://www.securityfocus.com/bid/34522",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=485941",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49521",
        "https://www.exploit-db.com/exploits/8306"
    ]
}