Ubuntu Security Notice 2090-1 - Christoph Biedl discovered that Munin incorrectly handled certain multigraph data. A remote attacker could use this issue to cause Munin to consume resources, resulting in a denial of service. Christoph Biedl discovered that Munin incorrectly handled certain multigraph service names. A remote attacker could use this issue to cause Munin to stop data collection, resulting in a denial of service. Various other issues were also addressed.
9c8d01b8e70bc4f3a5f414f2dc8713567e394adfd827979b3f1c4c0a8536d8adMandriva 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.
0390e658bb0ec5ef6190f7a583355de82d7fcac2e8f6c6ef5bc06242019e5a6bDebian Linux Security Advisory 2815-1 - Christoph Biedl discovered two denial of service vulnerabilities in munin, a network-wide graphing framework.
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