Vulnerability record · CVE-2003-0321 · published 9 June 2003
CVE-2003-0321: Colten edwards bitchx vulnerability
CColten Edwards · Bitchx
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.
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.
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2003-0321 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2003-0321), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.