{
    "id": "CVE-2006-4343",
    "published": "2006-09-28 18:07:00",
    "last_modified": "2026-06-16 22:28:54",
    "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-476",
    "description": "The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) via unknown vectors that trigger a null pointer dereference.",
    "epss_score": "0.19068",
    "epss_percentile": "0.97227",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:05",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "openssl",
            "product": "openssl"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "4773",
            "title": "OpenSSL < 0.9.7l/0.9.8d - SSLv2 Client Crash",
            "date": "2007-12-23",
            "url": "https://www.exploit-db.com/exploits/4773"
        },
        {
            "source": "exploit-db",
            "ref_id": "28726",
            "title": "OpenSSL SSLv2 - Null Pointer Dereference Client Denial of Service",
            "date": "2006-09-28",
            "url": "https://www.exploit-db.com/exploits/28726"
        }
    ],
    "refs_list": [
        "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc",
        "ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc",
        "http://docs.info.apple.com/article.html?artnum=304829",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771",
        "http://issues.rpath.com/browse/RPL-613",
        "http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100",
        "http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540",
        "http://kolab.org/security/kolab-vendor-notice-11.txt",
        "http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html",
        "http://lists.vmware.com/pipermail/security-announce/2008/000008.html",
        "http://marc.info/?l=bugtraq&m=130497311408250&w=2",
        "http://openbsd.org/errata.html#openssl2",
        "http://openvpn.net/changelog.html",
        "http://secunia.com/advisories/22094",
        "http://secunia.com/advisories/22116",
        "http://secunia.com/advisories/22130",
        "http://secunia.com/advisories/22165",
        "http://secunia.com/advisories/22166",
        "http://secunia.com/advisories/22172",
        "http://secunia.com/advisories/22186",
        "http://secunia.com/advisories/22193",
        "http://secunia.com/advisories/22207",
        "http://secunia.com/advisories/22212",
        "http://secunia.com/advisories/22216"
    ]
}