{
    "id": "CVE-2006-4924",
    "published": "2006-09-27 01:07:00",
    "last_modified": "2026-06-16 22:30:08",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-399",
    "description": "sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.",
    "epss_score": "0.37542",
    "epss_percentile": "0.98487",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:15:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openbsd",
            "product": "openssh"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "2444",
            "title": "OpenSSH 4.3 p1 - Duplicated Block Remote Denial of Service",
            "date": "2006-09-27",
            "url": "https://www.exploit-db.com/exploits/2444"
        }
    ],
    "refs_list": [
        "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc",
        "ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt",
        "ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc",
        "http://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability",
        "http://bugs.gentoo.org/show_bug.cgi?id=148228",
        "http://docs.info.apple.com/article.html?artnum=305214",
        "http://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112",
        "http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html",
        "http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2",
        "http://secunia.com/advisories/21923",
        "http://secunia.com/advisories/22091",
        "http://secunia.com/advisories/22116",
        "http://secunia.com/advisories/22158",
        "http://secunia.com/advisories/22164",
        "http://secunia.com/advisories/22183",
        "http://secunia.com/advisories/22196",
        "http://secunia.com/advisories/22208",
        "http://secunia.com/advisories/22236",
        "http://secunia.com/advisories/22245",
        "http://secunia.com/advisories/22270",
        "http://secunia.com/advisories/22298",
        "http://secunia.com/advisories/22352",
        "http://secunia.com/advisories/22362",
        "http://secunia.com/advisories/22487",
        "http://secunia.com/advisories/22495"
    ]
}