{"id":"CVE-2003-0039","aliases":["DEBIAN-CVE-2003-0039","DSA-245","EUVD-2003-0038","GHSA-h2v9-xvmg-qcc7"],"status":"published","title":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote...","description":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07955,"percentile":0.9478,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2003-01-28T00:00:00Z","modified":"2026-06-16T22:01:23Z","fixes":[{"ecosystem":"Debian:3.0","package":"dhcp3","fixed_in":["3.0+3.0.1rc9-2.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"dhcp3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0+3.0.1rc9-2.2"}]}]}],"products":[{"vendor":"isc","product":"dhcpd"}],"references":[{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000616","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/149953","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.debian.org/security/2003/dsa-245","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Vendor Advisory"]},{"url":"http://cc.turbolinux.com/security/TLSA-2003-26.txt","tags":["vendor-advisory","x_refsource_TURBO","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-034.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.openpkg.org/security/OpenPKG-SA-2003.012-dhcpd.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11187","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=104310927813830\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/6628","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0039"},{"url":"https://github.com/advisories/GHSA-h2v9-xvmg-qcc7"}],"sources":{"cve":[{"id":"CVE-2003-0039","description":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T01:43:35.382Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-0038","description":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T01:43:35Z","updated_at":"2026-11-03T01:15:09.127613Z"}],"ghsa":[{"id":"GHSA-h2v9-xvmg-qcc7","title":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote...","description":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.","status":"published","published":"2022-04-29T01:25:43Z","modified":"2023-01-30T05:00:46Z","updated_at":"2026-11-02T14:46:16.34482Z"}],"nvd":[{"id":"CVE-2003-0039","description":"ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.","status":"published","published":"2003-02-07T05:00:00Z","modified":"2026-06-16T22:01:23.857Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:46.710758Z"}],"osv":[{"id":"DSA-245","title":"dhcp3 - ignored counter boundary","status":"published","published":"2003-01-28T00:00:00Z","modified":"2026-03-09T01:22:04.135589Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}