CVE-2008-1501

CVE-2008-1501 is a medium-severity vulnerability in Ircu 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 send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.

Frequently asked questions

What is CVE-2008-1501?
The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.
How severe is CVE-2008-1501?
CVE-2008-1501 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-1501 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1501?
CVE-2008-1501 primarily affects Ircu. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1501?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-1501 published?
CVE-2008-1501 was published on 2008-03-25 and last updated on 2026-06-16.

References

Affected products (2)