1. 2013-03-27 [1] [VOIPSEC] AST-2013-003: Username disclosure in SIP ch voipsec Asterisk Secu 2. 2013-03-27 [1] [VOIPSEC] AST-2013-002: Denial of Service in HTTP ser voipsec Asterisk Secu 3. 2013-03-27 [1] [VOIPSEC] AST-2013-001: Buffer Overflow Exploit Throu voipsec Asterisk Secu