{"id":"CVE-2003-0321","aliases":["DSA-306","EUVD-2003-0316","GHSA-cp4w-x93q-r38r"],"status":"published","title":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC...","description":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04246,"percentile":0.91102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-05-19T00:00:00Z","modified":"2026-06-16T22:01:59Z","affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"ircii-pana","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0-0c19-1.1"}]}],"bundled":3}],"products":[{"vendor":"colten_edwards","product":"bitchx"}],"references":[{"url":"http://www.securityfocus.com/bid/7096","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://security.debian.org/pool/updates/main/i/ircii-pana/ircii-pana_1.0-0c16-2.1.diff.gz","tags":["x_refsource_MISC","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/7097","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000655","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=104852615211913\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.debian.org/security/2003/dsa-306","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=104766521328322\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/7100","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/bid/7099","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0321"},{"url":"https://github.com/advisories/GHSA-cp4w-x93q-r38r"}],"sources":{"cve":[{"id":"CVE-2003-0321","description":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.","status":"published","published":"2003-05-22T04:00:00Z","modified":"2024-08-08T01:50:47.952Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2003-0316","description":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.","status":"published","published":"2003-05-22T04:00:00Z","modified":"2024-08-08T01:50:47Z","updated_at":"2026-11-03T01:15:07.680279Z"}],"ghsa":[{"id":"GHSA-cp4w-x93q-r38r","title":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC...","description":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.","status":"published","published":"2022-04-29T01:26:14Z","modified":"2023-01-30T05:01:05Z","updated_at":"2026-11-02T14:46:20.153222Z"}],"nvd":[{"id":"CVE-2003-0321","description":"Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.","status":"published","published":"2003-06-09T04:00:00Z","modified":"2026-06-16T22:01:59.57Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:46.710758Z"}],"osv":[{"id":"DSA-306","title":"ircii-pana - buffer overflows, integer overflow","status":"published","published":"2003-05-19T00:00:00Z","modified":"2026-03-09T01:21:42.809576Z","updated_at":"2026-11-02T15:46:15.843838Z"}]}}