Mandriva Linux Security Advisory 2013-297
http://packetstormsecurity.com/files/124530/MDVSA-2013-297.txt
Mandriva Linux Security Advisory 2013-297 - The Munin::Master::Node module of munin does not properly validate certain data a node sends. A malicious node might exploit this to drive the munin-html process into an infinite loop with memory exhaustion on the munin master. A malicious node, with a plugin enabled using multigraph as a multigraph service name, can abort data collection for the entire node the plugin runs on.