CVE-2003-0321
Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service…
- 7.5HighCVSS base score
- 4.2%Exploitation in 30 daysEPSS · top 8.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 3 days later
· 3 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 4.2% · top 8.8% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
9
- 7096 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://security.debian.org/pool/updates/main/i/ircii-pana/ircii-pana_1.0-0c16-2.1.diff.gz (opens in a new tab)x_refsource_MISCx_transferred
- 7097 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- CLA-2003:655 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- 20030324 GLSA: bitchx (200303-21) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-306 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20030313 Buffer overflows in ircII-based clients (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 7100 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 7099 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2003-0316 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0321)Record last updated .