Secunia Security Advisory – Ubuntu has issued an update for nspr. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions or compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80019/sa36157.txt
Source: https://packetstormsecurity.com/files/80019/Secunia-Security-Advisory-36157.html