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CVE-2003-0864

23
FAUCET Score

CVE-2003-0864 describes a buffer overflow vulnerability in the m_join function of channel.c within IRCnet IRCD versions 2.10.x through 2.10.3p3. This flaw allows remote attackers to trigger a denial of service. With a CVSS score of 5.0, it is considered a medium-severity vulnerability, easily exploitable over the network without authentication, leading to availability impacts. While no active exploitation or Metasploit/Nuclei modules are noted, a local buffer overflow exploit for IRCnet IRCD 2.10 exists on ExploitDB, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.10CPE matchmatch criteria
cpe:2.3:a:ircnet:ircnet_ircd:2.10:*:*:*:*:*:*:*
2.10.3_p3CPE matchmatch criteria
cpe:2.3:a:ircnet:ircnet_ircd:2.10.3_p3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.10%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-23239 · Oct 13, 2003
This CVE's current EPSS score of 0.0410 is in the 86th percentile among its peer group of 23,684 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ftp.irc.org / irc/server/ChangeLog
distro.conectiva.com.br / atualizacoes
marc.info
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/13408
securityfocus.com / bid/8817
ExploitPatchVendor Advisory