An asterisk regression update for Debian 7 LTS has been released

Package : asterisk
Version : 1:1.8.13.1~dfsg1-3+deb7u6
CVE ID : CVE-2014-2287

Brad Barnett found that the recent security update of Asterisk could
cause immediate SIP termination due to an incomplete fix for
CVE-2014-2287.

For Debian 7 "Wheezy", these problems have been fixed in version
1:1.8.13.1~dfsg1-3+deb7u6.

We recommend that you upgrade your asterisk packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS