{"id":"CVE-2003-0251","aliases":["DEBIAN-CVE-2003-0251","EUVD-2003-0246","GHSA-7xw4-2hf3-hvxx"],"status":"published","title":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP...","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","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":0.02691,"percentile":0.85981,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2003-06-28T04:00:00Z","modified":"2026-10-22T23:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"nis","fixed_in":["3.11"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nis","fixed_in":["3.11"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nis","fixed_in":["3.11"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"nis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11"}]}]}],"products":[{"vendor":"nis","product":"ypserv_nis_server"}],"references":[{"url":"http://www.securityfocus.com/bid/8031","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://secunia.com/advisories/21112","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-201.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A667","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://www.turbolinux.com/security/TLSA-2003-43.txt","tags":["vendor-advisory","x_refsource_TURBO","x_transferred","web"]},{"url":"http://www.securityfocus.com/archive/1/440454/100/0/threaded","tags":["vendor-advisory","x_refsource_HP","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2003:072","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","advisory"]},{"url":"http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F55600\u0026zone_32=category%3Asecurity","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2006/2873","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-173.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://securitytracker.com/id?1016517","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0251"},{"url":"https://github.com/advisories/GHSA-7xw4-2hf3-hvxx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2003-0251","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2003-0251","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2003-06-28T04:00:00Z","modified":"2024-08-08T01:50:47.041Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0246","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2003-06-28T04:00:00Z","modified":"2024-08-08T01:50:47Z","updated_at":"2026-11-03T01:15:08.178994Z"}],"ghsa":[{"id":"GHSA-7xw4-2hf3-hvxx","title":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP...","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2022-04-29T01:26:06Z","modified":"2023-01-30T05:01:05Z","updated_at":"2026-11-02T14:46:20.153222Z"}],"nvd":[{"id":"CVE-2003-0251","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2003-07-24T04:00:00Z","modified":"2026-06-16T22:01:50.22Z","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":"CVE-2003-0251","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2003-07-24T04:00:00Z","modified":"2026-04-10T03:35:17.047839Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2003-0251","description":"ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.","status":"published","published":"2003-07-24T04:00:00Z","modified":"2026-10-22T23:47:28.329703928Z","updated_at":"2026-11-02T15:45:22.55978Z"}]}}