Secunia Security Advisory – Ubuntu has issued an update for webkit. This fixes a vulnerability, which potentially can be exploited by malicious people to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/72304/sa32860.txt
Source: https://packetstormsecurity.com/files/72304/Secunia-Security-Advisory-32860.html