Secunia Security Advisory – Ubuntu has issued an update for apr. This fixes a vulnerability, which can potentially be exploited by malicious people to cause a DoS (Denial of Service) or compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80260/sa36234.txt
Source: https://packetstormsecurity.com/files/80260/Secunia-Security-Advisory-36234.html