bluez-libs-3.34 and bluez-utils-3.34, (Official Linux Bluetooth protocol stack), Released To Address A Potential Security Issue
The SDP client functionality of the Bluetooth library contains a potential security issue and a new version is released after fixing the said issue. Since Chan-Mobile for asterisk uses this, you may want to check this out. The BlueZ team attribute credits for finding and fixing this issue to Glenn Durfee from the Google Android team.
The new versions are available here.