VULNERABILITY INTELLIGENCE

CVE-2006-5873

CVSS score7.8 HIGH
EPSS probability2.31%
CISA KEVNot currently listed
Published2006-12-12
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

Buffer overflow in the cluster_process_heartbeat function in cluster.c in layer 2 tunneling protocol network server (l2tpns) before 2.1.21 allows remote attackers to cause a denial of service via a large heartbeat packet.

Primary references