{
    "id": "CVE-2010-2621",
    "published": "2010-07-02 20:30:01",
    "last_modified": "2026-06-16 23:21:05",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-20",
    "description": "The QSslSocketBackendPrivate::transmit function in src_network_ssl_qsslsocket_openssl.cpp in Qt 4.6.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed request.",
    "epss_score": "0.10540",
    "epss_percentile": "0.95623",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "digia",
            "product": "qt"
        },
        {
            "vendor": "qt",
            "product": "qt"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "14268",
            "title": "Qt 4.6.3 - 'QSslSocketBackendPrivate::transmit()' Denial of Service",
            "date": "2010-07-08",
            "url": "https://www.exploit-db.com/exploits/14268"
        }
    ],
    "refs_list": [
        "http://aluigi.org/adv/qtsslame-adv.txt",
        "http://aluigi.org/poc/qtsslame.zip",
        "http://osvdb.org/65860",
        "http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597",
        "http://secunia.com/advisories/40389",
        "http://secunia.com/advisories/46410",
        "http://www.securityfocus.com/bid/41250",
        "http://www.vupen.com/english/advisories/2010/1657",
        "https://hermes.opensuse.org/messages/12056605",
        "http://aluigi.org/adv/qtsslame-adv.txt",
        "http://aluigi.org/poc/qtsslame.zip",
        "http://osvdb.org/65860",
        "http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597",
        "http://secunia.com/advisories/40389",
        "http://secunia.com/advisories/46410",
        "http://www.securityfocus.com/bid/41250",
        "http://www.vupen.com/english/advisories/2010/1657",
        "https://hermes.opensuse.org/messages/12056605"
    ]
}