Chapter 1 What’s New for FortiOS 5.0 : New Features in FortiOS 5.0 Patch 7 : OpenSSL Vulnerability (Heartbleed) Fixed
  
OpenSSL Vulnerability (Heartbleed) Fixed
An information disclosure vulnerability, known as Heartbleed, has been discovered in OpenSSL version 1.0.1 up to 1.0.1f. This vulnerability may allow an attacker to access sensitive information from memory by sending crafted TLS heartbeat requests.
This vulnerability has been fixed in OpenSSL 1.0.1g. FortiOS 5.0 Patch 7 has been upgraded to use this version of OpenSSL.
For more information about the Heartbleed vulnerability, go to https://heartbleed.com/.