Secunia Security Advisory – Ubuntu has issued an update for tcpdump. This fixes a vulnerability, 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/54878/sa24423.txt
Source: https://packetstormsecurity.com/files/54878/Secunia-Security-Advisory-24423.html