CVE-2005-4624

CVE-2005-4624 is a medium-severity vulnerability in Ptnet Ptnet Ircd with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The m_join function in channel.c for PTnet ircd 1.5 and 1.6 allows remote attackers to cause a denial of service (memory exhaustion that triggers a daemon restart) via a large number of requests to join a "charmed channel" such as PTnet, #PTnoticias and #*.log, which causes ircd to open the channel even though it does not have any valid users.

Frequently asked questions

What is CVE-2005-4624?
The m_join function in channel.c for PTnet ircd 1.5 and 1.6 allows remote attackers to cause a denial of service (memory exhaustion that triggers a daemon restart) via a large number of requests to join a "charmed channel" such as PTnet, #PTnoticias and #*.log, which causes ircd to open the channel even though it does not have any valid users.
How severe is CVE-2005-4624?
CVE-2005-4624 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-4624 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4624?
CVE-2005-4624 primarily affects Ptnet Ptnet Ircd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4624?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4624 published?
CVE-2005-4624 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (2)