CVE-2024-10550

Denial of Service by ReDOS in h2oai/h2o-3

Published Mar 20, 2025 CVSS 3.0 · 7.5 High EPSS < 1% KEV · Not listed
Description
A vulnerability in the `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-7113 A vulnerability in the `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive.
Github GHSA Github GHSA GHSA-7qq7-pvm9-x8rf H2O Vulnerable to Denial of Service (DoS) via `/3/ParseSetup` Endpoint
History
Type Values Removed Values Added
First Time appeared H2o
H2o h2o
CPEs cpe:2.3:a:h2o:h2o:3.46.0.1:*:*:*:*:*:*:*
Vendors & Products H2o
H2o h2o
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 `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive.
Title Denial of Service by ReDOS in h2oai/h2o-3
Weaknesses CWE-1333
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, 6:30 PM
Reserved
Oct 30, 2024, 4:49 PM
Status
Analyzed
Published
Mar 20, 2025, 10:15 AM
Modified
Jun 17, 2026, 6:55 AM