Multiple unspecified vulnerabilities in Gyach Enhanced (Gyach-E) before 1.0.5 have unknown impact and attack vectors related to "several security flaws," probably related to buffer overflows in HTTP server responses.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17096
http://www.securityfocus.com/bid/10975
http://www.phrozensmoke.com/projects/pyvoicechat/changelog.php