Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35466
http://www.vupen.com/english/advisories/2007/2563
http://www.securitytracker.com/id?1018407
http://www.securityfocus.com/bid/24949
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.debian.org/security/2007/dsa-1358
http://security.gentoo.org/glsa/glsa-200802-11.xml
http://secunia.com/advisories/29051
http://secunia.com/advisories/26099