The Asterisk Development Team has announced the release of Asterisk version 1.8.4.2, which is a security release for Asterisk 1.8. This release is available for immediate download at http://downloads.asterisk.org/pub/telephony/asterisk/releases The release of Asterisk 1.8.4.2 resolves an issue with SIP URI parsing which can lead to a remotely exploitable crash: Remote Crash Vulnerability in SIP channel driver (AST-2011-007) The issue and resolution is described in the AST-2011-007 security advisory. For more information about the details of this vulnerability, please read the security advisory AST-2011-007, which was released at the same time as this announcement. For a full list of changes in the current release, please see the ChangeLog: http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.8.4.2 Security advisory AST-2011-007 is available at: http://downloads.asterisk.org/pub/security/AST-2011-007.pdf Thank you for your continued support of Asterisk!