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CVE-2024-7765

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Date: March 20, 2025

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.

Severity Score

Related Resources (5)

https://github.com/h2oai/h2o-3
https://nvd.nist.gov/vuln/detail/CVE-2024-7765
https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff
https://github.com/h2oai/h2o-3/blob/7d418fa19d3ab434f742818e37f891bef9102c97/h2o-core/src/main/java/water/parser/ParseDataset.java#L900
https://www.mend.io/vulnerability-database/CVE-2024-7765

Severity Score

Weakness Type (CWE)

Improper Handling of Highly Compressed Data (Data Amplification)

CWE-409

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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