{"id":"CVE-2009-2957","aliases":["DEBIAN-CVE-2009-2957","DSA-1876-1","EUVD-2009-2944","GHSA-3wv8-c9pw-2c36","RHSA-2009:1238"],"status":"published","title":"Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when -...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.15252,"percentile":0.96785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2009-09-01T00:00:00Z","modified":"2026-10-23T17:47:50Z","exploits":[{"source":"exploitdb","id":"EDB-9617","title":"Dnsmasq \u003c 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Advisory","advisory"]},{"url":"http://www.coresecurity.com/content/dnsmasq-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://rhn.redhat.com/errata/RHSA-2010-0095.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1238.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2957","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3wv8-c9pw-2c36"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-2957","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2009:1238","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_1238.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-2957","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-2957","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-2958","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-2958","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2958","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-2957","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.","status":"published","published":"2009-09-02T15:00:00Z","modified":"2024-08-07T06:07:37.403Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2944","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.","status":"published","published":"2009-09-02T15:00:00Z","modified":"2024-08-07T06:07:37Z","updated_at":"2026-11-03T01:39:15.535048Z"}],"ghsa":[{"id":"GHSA-3wv8-c9pw-2c36","title":"Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when -...","description":"Heap-based 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request.","status":"published","published":"2009-09-02T15:30:01.407Z","modified":"2026-06-16T23:10:36.467Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:36.596719Z"}],"osv":[{"id":"CVE-2009-2957","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.","status":"published","published":"2009-09-02T15:30:01Z","modified":"2026-04-10T03:40:53.463908Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-2957","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.","status":"published","published":"2009-09-02T15:30:01.407Z","modified":"2026-10-23T17:47:50.634289185Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"id":"DSA-1876-1","title":"dnsmasq - remote code execution","status":"published","published":"2009-09-01T00:00:00Z","modified":"2026-03-09T01:23:20.492376Z","updated_at":"2026-11-02T15:46:14.734124Z"},{"id":"RHSA-2009:1238","title":"Red Hat Security Advisory: dnsmasq security update","status":"published","published":"2024-09-15T18:06:32Z","modified":"2026-06-26T10:11:56Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}