{
    "id": "CVE-2009-1386",
    "published": "2009-06-04 16:30:00",
    "last_modified": "2026-06-16 23:07:10",
    "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-476",
    "description": "ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that occurs before ClientHello.",
    "epss_score": "0.80134",
    "epss_percentile": "0.99606",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:16:37",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "openssl",
            "product": "openssl"
        },
        {
            "vendor": "redhat",
            "product": "openssl"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8873",
            "title": "OpenSSL < 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service",
            "date": "2009-06-04",
            "url": "https://www.exploit-db.com/exploits/8873"
        }
    ],
    "refs_list": [
        "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc",
        "http://cvs.openssl.org/chngview?cn=17369",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444",
        "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html",
        "http://lists.vmware.com/pipermail/security-announce/2010/000082.html",
        "http://rt.openssl.org/Ticket/Display.html?id=1679&user=guest&pass=guest",
        "http://secunia.com/advisories/35571",
        "http://secunia.com/advisories/35685",
        "http://secunia.com/advisories/35729",
        "http://secunia.com/advisories/36533",
        "http://secunia.com/advisories/38794",
        "http://secunia.com/advisories/38834",
        "http://www.openwall.com/lists/oss-security/2009/06/02/1",
        "http://www.redhat.com/support/errata/RHSA-2009-1335.html",
        "http://www.securityfocus.com/bid/35174",
        "http://www.ubuntu.com/usn/USN-792-1",
        "http://www.vupen.com/english/advisories/2010/0528",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/50963",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11179",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7469",
        "https://www.exploit-db.com/exploits/8873",
        "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc",
        "http://cvs.openssl.org/chngview?cn=17369",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444",
        "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"
    ]
}