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
Published May 22, 2003
7.5
HIGHCVSS 2.0
EPSS 4.25%
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.
Affected products
No data.
- ≤ 1.0.0c19
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.25% (0.04246) | 90.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.25% (0.04246) | 89.72th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.59% (0.01591) | 80.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.27% (0.01272) | 86.27th | v3 (v2023.03.01) |
| May 3, 2024 | 1.27% (0.01272) | 85.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.27% (0.01272) | 83.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.23% (0.04229) | 87.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.23% (0.04229) | 86.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.23% (0.04229) | 69.94th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000655 vendor-advisoryx_refsource_CONECTIVA
- http://marc.info/?l=bugtraq&m=104766521328322&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=104852615211913&w=2 mailing-listx_refsource_BUGTRAQ
- http://security.debian.org/pool/updates/main/i/ircii-pana/ircii-pana_1.0-0c16-2.1.diff.gz x_refsource_MISCPatch
- http://www.debian.org/security/2003/dsa-306 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.securityfocus.com/bid/7096 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/7097 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/7099 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/7100 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000655 | vendor-advisoryx_refsource_CONECTIVA | |
| http://marc.info/?l=bugtraq&m=104766521328322&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=104852615211913&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://security.debian.org/pool/updates/main/i/ircii-pana/ircii-pana_1.0-0c16-2.1.diff.gz | x_refsource_MISCPatch | |
| http://www.debian.org/security/2003/dsa-306 | vendor-advisoryx_refsource_DEBIANPatchVendor Advisory | |
| http://www.securityfocus.com/bid/7096 | vdb-entryx_refsource_BID | |
| http://www.securityfocus.com/bid/7097 | vdb-entryx_refsource_BID | |
| http://www.securityfocus.com/bid/7099 | vdb-entryx_refsource_BID | |
| http://www.securityfocus.com/bid/7100 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.