CVE-2024-7765

HIGH

h2o 3.46.0.2 - Denial of Service via GZIP File Parsing

Title source: llm

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 (1)

Core 1

Core References

Exploit

https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff

Scores

CVSS v3 7.5

EPSS 0.0041

EPSS Percentile 61.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-409

Status published

Products (3)

ai.h2o/h2o-core 3.32.1.2Maven

h2o/h2o 3.46.0.2

pypi/h2o 3.32.1.2PyPI

Published Mar 20, 2025

Tracked Since Feb 18, 2026