The multi-part body parser in PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.
https://issues.asterisk.org/jira/browse/ASTERISK-26939
https://bugs.debian.org/863902
http://www.securityfocus.com/bid/98578