Secunia Security Advisory – rPath has issued an update for tk. 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/63613/sa28954.txt
Source: https://packetstormsecurity.com/files/63613/Secunia-Security-Advisory-28954.html