1. 2012-04-23 [1] [VOIPSEC] AST-2012-006: Remote Crash Vulnera Asterisk Se 2. 2012-04-23 [1] [VOIPSEC] AST-2012-005: Heap Buffer Overflow Asterisk Se 3. 2012-04-23 [1] [VOIPSEC] AST-2012-004: Asterisk Manager Use Asterisk Se