CVE-2024-8062

Denial of Service in h2oai/h2o-3

Published Mar 20, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-6929 A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.
Github GHSA Github GHSA GHSA-5c8j-g96x-cj78 H2O Vulnerable to Denial of Service (DoS) via `HEAD` Request
History
Type Values Removed Values Added
First Time appeared H2o
H2o h2o
CPEs cpe:2.3:a:h2o:h2o:3.46.0:*:*:*:*:*:*:*
Vendors & Products H2o
H2o h2o
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.
Title Denial of Service in h2oai/h2o-3
Weaknesses CWE-1088
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
@huntr_ai
Published
Updated
Mar 20, 2025, 3:23 PM
Reserved
Aug 21, 2024, 6:58 PM
Status
Analyzed
Published
Mar 20, 2025, 10:15 AM
Modified
Jun 17, 2026, 8:21 AM