Munin < 2.0.18 - Denial of Service via Crafted Multigraph Data
The get_group_tree function in lib/Munin/Master/HTMLConfig.pm in Munin before 2.0.18 allows remote nodes to cause a denial of service (infinite loop and memory consumption in the munin-html process) via crafted multigraph data.
Munin < 2.0.18 - Denial of Service via Multigraph Plugin Service Name
Munin::Master::Node in Munin before 2.0.18 allows remote attackers to cause a denial of service (abort data collection for node) via a plugin that uses "multigraph" as a multigraph service name.