Is CVE-2003-0323 in the CISA KEV catalog?

No. CVE-2003-0323 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0323?

CVE-2003-0323 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2003-0323?

CVE-2003-0323 has an EPSS score of 2.60% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2003-0323?

Upgrade epic4 on debian 11 to 1:1.1.11.20030409-1 or later.

CVE & CISA-KEV Catalog

CVE-2003-0323

HIGHEPSS 83th pctl

7.5

CVSS v2

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.

How to fix

Remediation Available

epic4Debian

Fixed in:1:1.1.11.20030409-1CVE-2003-0323

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.60%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

debian.org

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.