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...

5.0 MediumPublic exploit

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.

Exploit likelihood

5.25%Down 7.3 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2008-1501
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2008-1501
Updated: 2026-11-02

EUVDEUVD-2008-1503 No score

Record: EUVD-2008-1503
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3jmx-m4x4-rgq8 No score

The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1...

Record: GHSA-3jmx-m4x4-rgq8
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Snircd 1.3.4 - 'send_user_mode' Denial of Service	2008-03-24

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-1501 is a medium vulnerability (CVSS 5.0) in Ircu, published March 25, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.25%, the 92nd percentile. No source names a fixed version.

References

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