What’s Vulnerable › Vulnerabilities

CVE-2024-5979: Denial of Service via Invalid Argument in h2oai/h2o-3

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-06-27 · updated 2026-06-17
• Weakness: CWE-94

Description

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

• h2oai/h2o-3: 3.46.0

References

• https://github.com/h2oai/h2o-3/commit/d0899f8e0f7a584b60405a65b1d7b439aaaa55a5
• https://huntr.com/bounties/d80a2139-fc03-44b7-b739-de41e323b458
• https://huntr.com/bounties/d80a2139-fc03-44b7-b739-de41e323b458

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