{"id":"CVE-2006-5873","details":"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.","modified":"2026-04-10T03:37:51.157389Z","published":"2006-12-12T00:28:00Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/23230"},{"type":"ADVISORY","url":"http://secunia.com/advisories/23333"},{"type":"ADVISORY","url":"http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202"},{"type":"ADVISORY","url":"http://www.debian.org/security/2006/dsa-1230"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/21443"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2006/4860"},{"type":"FIX","url":"http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54"},{"type":"FIX","url":"http://secunia.com/advisories/23230"},{"type":"FIX","url":"http://secunia.com/advisories/23333"},{"type":"FIX","url":"http://www.debian.org/security/2006/dsa-1230"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/30732"}],"schema_version":"1.7.5"}