AST-2011-003  describes a resrouce exhaustion flaw in the Asterisk Manager Interface. If manger connections were rapily opened, sent invalid data, then closed, it could cause Asterisk to exhaust available CPU and memory resources. The Manager Interface is disabled by default. Versions 1.6.2.x and 1.8.x are affected, and 22.214.171.124.1 and 126.96.36.199 have been released to correct this flaw.
This is assigned CVE-2011-1174.
This is corrected via these builds that have the fixes from upstream: