Secunia Security Advisory – Debian has issued an update for libtasn1-2. This fixes some vulnerabilities, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/44390/sa19092.txt
Source: https://packetstormsecurity.com/files/44390/Secunia-Security-Advisory-19092.html