Secunia Security Advisory – Ubuntu has issued an update for opal. This fixes a vulnerability, which can potentially be exploited by malicious people to compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/62464/sa28380.txt
Source: https://packetstormsecurity.com/files/62464/Secunia-Security-Advisory-28380.html