{"id":"CVE-2010-4563","details":"The Linux kernel, when using IPv6, allows remote attackers to determine whether a host is sniffing the network by sending an ICMPv6 Echo Request to a multicast address and determining whether an Echo Reply is sent, as demonstrated by thcping.","modified":"2026-07-17T21:10:13.793044037Z","published":"2012-02-02T17:55:00Z","withdrawn":"2026-01-27T04:10:32.851598Z","references":[{"type":"WEB","url":"http://seclists.org/dailydave/2011/q2/25"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2011/Apr/254"}],"schema_version":"1.7.3"}