Secunia Security Advisory – Red Hat has issued an update for ucd-snmp. This fixes a vulnerability, which can be exploited by malicious people to spoof authenticated SNMPv3 packets.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/67132/sa30596.txt
Source: https://packetstormsecurity.com/files/67132/Secunia-Security-Advisory-30596.html