Debian Security Advisory 1126-1 – A problem has been discovered in the IAX2 channel driver of Asterisk, an Open Source Private Branch Exchange and telephony toolkit, which may allow a remote to cause a crash of the Asterisk server.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48654/dsa-1126-1.txt
Source: https://packetstormsecurity.com/files/48654/Debian-Linux-Security-Advisory-1126-1.html