{
    "id": "CVE-2009-0858",
    "published": "2009-03-09 21:30:00",
    "last_modified": "2026-06-16 23:05:58",
    "cvss_score": "5.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
    "cwe": "CWE-20",
    "description": "The response_addname function in response.c in Daniel J. Bernstein djbdns 1.05 and earlier does not constrain offsets in the required manner, which allows remote attackers, with control over a third-party subdomain served by tinydns and axfrdns, to trigger DNS responses containing arbitrary records via crafted zone data for this subdomain.",
    "epss_score": "0.06278",
    "epss_percentile": "0.93360",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "d.j.bernstein",
            "product": "djbdns"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32825",
            "title": "djbdns 1.05 - Long Response Packet Remote Cache Poisoning",
            "date": "2009-02-27",
            "url": "https://www.exploit-db.com/exploits/32825"
        }
    ],
    "refs_list": [
        "http://it.slashdot.org/article.pl?sid=09/03/05/2014249",
        "http://marc.info/?l=djbdns&m=123554945710038",
        "http://marc.info/?l=djbdns&m=123613000920446&w=2",
        "http://secunia.com/advisories/35820",
        "http://securityandthe.net/2009/03/05/security-issue-in-djbdns-confirmed/",
        "http://www.debian.org/security/2009/dsa-1831",
        "http://www.securityfocus.com/archive/1/501294/100/0/threaded",
        "http://www.securityfocus.com/archive/1/501340/100/0/threaded",
        "http://www.securityfocus.com/archive/1/501479/100/0/threaded",
        "http://www.securityfocus.com/bid/33937",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49003",
        "http://it.slashdot.org/article.pl?sid=09/03/05/2014249",
        "http://marc.info/?l=djbdns&m=123554945710038",
        "http://marc.info/?l=djbdns&m=123613000920446&w=2",
        "http://secunia.com/advisories/35820",
        "http://securityandthe.net/2009/03/05/security-issue-in-djbdns-confirmed/",
        "http://www.debian.org/security/2009/dsa-1831",
        "http://www.securityfocus.com/archive/1/501294/100/0/threaded",
        "http://www.securityfocus.com/archive/1/501340/100/0/threaded",
        "http://www.securityfocus.com/archive/1/501479/100/0/threaded",
        "http://www.securityfocus.com/bid/33937",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49003"
    ]
}