Unspecified vulnerability in the seat-locking implementation in FreeSeat before 1.1.5d allows attackers to book a seat more than once via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39647
http://www.securityfocus.com/bid/27270
http://sourceforge.net/project/shownotes.php?release_id=568374&group_id=160239