Updated vtun package fixes security vulnerability:
A vulnerability was found in the vtun package. When you send a SIGHUP to a vtun client process and it cannot connect to the remote server, vtun tries to reconnect without sleep between each attempt. In result, the vtun process uses a lot of CPU, and writes to syslog without limit.
The vtun package has been updated to version 3.0.3 and patched to fix this issue and other bugs.