Secunia Security Advisory – Red Hat has issued an update for apr and apr-util. This fixes some vulnerabilities, which can potentially be exploited 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/80402/sa36256.txt
Source: https://packetstormsecurity.com/files/80402/Secunia-Security-Advisory-36256.html