Secunia Security Advisory – Debian has issued an update for libtk-img. This fixes some vulnerabilities, 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/75792/sa34297.txt
Source: https://packetstormsecurity.com/files/75792/Secunia-Security-Advisory-34297.html