AUGUST 4, 2026
Live Feed
Return to register
Case File

CVE-2006-5873

HIGH · CVSS 7.8 EPSS 2.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2006-12-12 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2006-5873
Severity
HIGH
CVSS
7.8
EPSS
2.30%

Original Filing — NVD 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.