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Vulnerability record · CVE-2001-0050 · published 16 February 2001

CVE-2001-0050: Colten edwards bitchx vulnerability

CColten Edwards · Bitchx

Buffer overflow in BitchX IRC client allows remote attackers to cause a denial of service and possibly execute arbitrary commands via an IP address that resolves to a long DNS hostname or domain name.

10.0 CVSS 2.0 High EPSS 15% · top 3.5%
10.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in BitchX IRC client allows remote attackers to cause a denial of service and possibly execute arbitrary commands via an IP address that resolves to a long DNS hostname or domain name.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:78.bitchx.v1.1.asc
http://archives.neohapsis.com/archives/bugtraq/2000-12/0081.html Exploit
http://archives.neohapsis.com/archives/bugtraq/2000-12/0086.html Exploit
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000364
http://www.linux-mandrake.com/en/security/2000/MDKSA-2000-079.php3
http://www.redhat.com/support/errata/RHSA-2000-126.html
http://www.securityfocus.com/bid/2087 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5701
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:78.bitchx.v1.1.asc
http://archives.neohapsis.com/archives/bugtraq/2000-12/0081.html Exploit
http://archives.neohapsis.com/archives/bugtraq/2000-12/0086.html Exploit
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000364
http://www.linux-mandrake.com/en/security/2000/MDKSA-2000-079.php3
http://www.redhat.com/support/errata/RHSA-2000-126.html
http://www.securityfocus.com/bid/2087 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5701

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2003-0321Colten edwards bitchx vulnerabilityMultiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possi…EPSS 4.2%5.0CVE-2003-0322Colten edwards bitchx vulnerabilityInteger overflow in BitchX IRC client 1.0-0c19 and earlier allows remote malicious IRC servers to cause a denial of service (crash).EPSS 1.4%2.1CVE-2003-0334Colten edwards bitchx vulnerabilityBitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain channel mode changes that are not prope…EPSS 0.36%

Source: NIST National Vulnerability Database (record CVE-2001-0050), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.