How severe is CVE-2003-0323?

CVE-2003-0323 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0323?

CVE-2003-0323 affects Michael Sandrof Ircii. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0323?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2003-0323 published?

CVE-2003-0323 was published on 2003-06-09 and last updated on 2026-06-16.

CVE-2003-0323

CVE-2003-0323 is a high-severity vulnerability in Michael Sandrof Ircii with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Michael Sandrof Ircii
Published: 2003-06-09
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2003-0323?: 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 severe is CVE-2003-0323?: CVE-2003-0323 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0323?: CVE-2003-0323 affects Michael Sandrof Ircii. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0323 published?: CVE-2003-0323 was published on 2003-06-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:michael_sandrof:ircii:2002-09-12:*:*:*:*:*:*:*

More vulnerabilities in Michael Sandrof Ircii

CVE-2000-0183 — Medium (CVSS 5.1): Buffer overflow in ircII 4.4 IRC client allows remote attackers to execute commands via the DCC chat capability.

All CVEs affecting Michael Sandrof Ircii →