Gentoo Linux Security Advisory GLSA 200905-01 - Multiple vulnerabilities have been found in Asterisk allowing for Denial of Service and username disclosure.
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Debian Security Advisory 1563-1 - Joel R. Voss discovered that the IAX2 module of Asterisk, a free software PBX and telephony toolkit performs insufficient validation of IAX2 protocol messages, which may lead to denial of service.
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Asterisk Project Security Advisory - Javantea found multiple security issues in IAX2 including an incomplete 3-way handshake.
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