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Vulnerability record · CVE-2003-0323 · published 9 June 2003

CVE-2003-0323: Michael sandrof ircii vulnerability

MMichael Sandrof · Ircii

Multiple buffer overflows in ircII 20020912 allows remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via responses that are not properly fed to the my_strcat function by (1) ctcp_buffer, (2) cannot_join_channel, (3) status_make_printable for Statusbar drawing, (4) create_server_list, and possibly other functions.

7.5 CVSS 2.0 High EPSS 2.6% · top 15.3%
7.5CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in ircII 20020912 allows remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via responses that are not properly fed to the my_strcat function by (1) ctcp_buffer, (2) cannot_join_channel, (3) status_make_printable for Statusbar drawing, (4) create_server_list, and possibly other functions.

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

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Related vulnerabilities

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

Source: NIST National Vulnerability Database (record CVE-2003-0323), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.