packet.py in pyrad before 2.1 uses weak random numbers to generate RADIUS authenticators and hash passwords, which makes it easier for remote attackers to obtain sensitive information via a brute force attack.
https://github.com/wichert/pyrad/commit/38f74b36814ca5b1a27d9898141126af4953bee5
https://exchange.xforce.ibmcloud.com/vulnerabilities/82133
https://bugzilla.redhat.com/show_bug.cgi?id=911682
http://www.securityfocus.com/bid/57984
http://www.openwall.com/lists/oss-security/2013/02/15/13
http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116567.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115705.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115677.html