{
    "id": "CVE-2009-2957",
    "published": "2009-09-02 15:30:01",
    "last_modified": "2026-06-16 23:10:36",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-119",
    "description": "Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.",
    "epss_score": "0.12684",
    "epss_percentile": "0.96128",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "thekelleys",
            "product": "dnsmasq"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "9617",
            "title": "Dnsmasq < 2.50 - Heap Overflow / Null Pointer Dereference",
            "date": "2009-09-09",
            "url": "https://www.exploit-db.com/exploits/9617"
        }
    ],
    "refs_list": [
        "http://secunia.com/advisories/36563",
        "http://www.coresecurity.com/content/dnsmasq-vulnerabilities",
        "http://www.redhat.com/support/errata/RHSA-2009-1238.html",
        "http://www.securityfocus.com/bid/36121",
        "http://www.thekelleys.org.uk/dnsmasq/CHANGELOG",
        "http://www.ubuntu.com/usn/USN-827-1",
        "https://bugzilla.redhat.com/show_bug.cgi?id=519020",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538",
        "https://rhn.redhat.com/errata/RHSA-2010-0095.html",
        "http://secunia.com/advisories/36563",
        "http://www.coresecurity.com/content/dnsmasq-vulnerabilities",
        "http://www.redhat.com/support/errata/RHSA-2009-1238.html",
        "http://www.securityfocus.com/bid/36121",
        "http://www.thekelleys.org.uk/dnsmasq/CHANGELOG",
        "http://www.ubuntu.com/usn/USN-827-1",
        "https://bugzilla.redhat.com/show_bug.cgi?id=519020",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538",
        "https://rhn.redhat.com/errata/RHSA-2010-0095.html"
    ]
}