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.
2006-12-12T00:28:00.000
2025-04-09T00:30:58.490
Deferred
CVSSv2: 7.8 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | l2tpns | l2tpns | 1.1 | Yes |
| Application | l2tpns | l2tpns | 2.0.13 | Yes |
| Application | l2tpns | l2tpns | 2.1 | Yes |
| Operating System | debian | debian_linux | 3.1 | Yes |