HIGH 7.5 PyPI
H2O Vulnerable to Denial of Service (DoS) via Large GZIP Parsing
GHSA-6w62-3jvj-mfj6 · CVE-2024-7765 · PYSEC-2026-1439
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Description
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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-7765
- PACKAGE https://github.com/h2oai/h2o-3
- WEB https://github.com/h2oai/h2o-3/blob/7d418fa19d3ab434f742818e37f891bef9102c97/h2o-core/src/main/java/water/parser/ParseDataset.java#L900
- WEB https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff
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