In h2oai/h2o-3 version 3.46.0.2, a vulnerability exists where uploading and repeatedly parsing a large GZIP file can cause a denial of service. The server becomes unresponsive due to memory exhaustion and a large number of concurrent slow-running jobs. This issue arises from the improper handling of highly compressed data, leading to significant data amplification.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| h2o(PyPI) | 3.32.1.2 | N/A | N/A |
| ai.h2o:h2o-core(Maven) | 3.32.1.2 | N/A | N/A |
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