CVE-2006-5873

HighCVSS 7.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected software

No affected versions have been published.

Timeline

Published
Dec 12, 2006
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2006-5873: High severity, CVSS 7.8 | Vulnix