CVE-2024-5979: h2o

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

In h2oai/h2o-3 version 3.46.0, the `run_tool` command in the `rapids` component allows the `main` function of any class under the `water.tools` namespace to be called. One such class, `MojoConvertTool`, crashes the server when invoked with an invalid argument, causing a denial of service.

Affected products

  • h2o h2o: version 3.46.0 only

Published 2024-06-27. Last modified 2026-06-17.