{
    "id": "CVE-2011-3658",
    "published": "2011-12-21 04:02:00",
    "last_modified": "2026-06-16 23:33:42",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-399",
    "description": "The SVG implementation in Mozilla Firefox 8.0, Thunderbird 8.0, and SeaMonkey 2.5 does not properly interact with DOMAttrModified event handlers, which allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via vectors involving removal of SVG elements.",
    "epss_score": "0.69628",
    "epss_percentile": "0.99346",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:13",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "firefox"
        },
        {
            "vendor": "mozilla",
            "product": "seamonkey"
        },
        {
            "vendor": "mozilla",
            "product": "thunderbird"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18847",
            "title": "Mozilla Firefox 7 / 8 < 8.0.1 - nsSVGValue Out-of-Bounds Access (Metasploit)",
            "date": "2012-05-09",
            "url": "https://www.exploit-db.com/exploits/18847"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00009.html",
        "http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html",
        "http://osvdb.org/77953",
        "http://secunia.com/advisories/47302",
        "http://secunia.com/advisories/47334",
        "http://secunia.com/advisories/48495",
        "http://secunia.com/advisories/48553",
        "http://secunia.com/advisories/48823",
        "http://secunia.com/advisories/49055",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:192",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:031",
        "http://www.mozilla.org/security/announce/2011/mfsa2011-55.html",
        "http://www.securitytracker.com/id?1026445",
        "http://www.securitytracker.com/id?1026446",
        "http://www.securitytracker.com/id?1026447",
        "http://www.ubuntu.com/usn/USN-1401-1",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=708186",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/71910",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14664",
        "http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00009.html",
        "http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html",
        "http://osvdb.org/77953",
        "http://secunia.com/advisories/47302"
    ]
}