The Asterisk Development Team has announced security releases for Asterisk branches 1.4, 1.6.1, 1.6.2, and 1.8. The available security releases are released as versions 1.4.40.1, 1.6.1.25, 1.6.2.17.3, and 1.8.3.3. These releases are available for immediate download at http://downloads.asterisk.org/pub/telephony/asterisk/releases The releases of Asterisk 1.4.40.1, 1.6.1.25, 1.6.2.17.3, and 1.8.3.3 resolve two issues: * File Descriptor Resource Exhaustion (AST-2011-005) * Asterisk Manager User Shell Access (AST-2011-006) The issues and resolutions are described in the AST-2011-005 and AST-2011-006 security advisories. For more information about the details of these vulnerabilities, please read the security advisories AST-2011-005 and AST-2011-006, which were released at the same time as this announcement. For a full list of changes in the current releases, please see the ChangeLog: http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.4.40.1 http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.6.1.25 http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.6.2.17.3 http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.8.3.3 Security advisory AST-2011-005 and AST-2011-006 are available at: http://downloads.asterisk.org/pub/security/AST-2011-005.pdf http://downloads.asterisk.org/pub/security/AST-2011-006.pdf Thank you for your continued support of Asterisk!