The Asterisk.org development team has released Asterisk versions 188.8.131.52 and 1.2.30.
Both of these releases include fixes for two security issues. Both of these issues affect users of the IAX2 channel driver. For more details on these vulnerabilities, see the published security advisories, AST-2008-010 and AST-2008-011.
Thank you for your continued support of Asterisk!