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CVE-2024-7765 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff	CISA-ADP	Exploit
https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff	[email protected]	Exploit

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-409	Improper Handling of Highly Compressed Data (Data Amplification)	[email protected]

Affected Products

Product	Versions
h2o h2o	3.46.0.2
CPE cpe:2.3:a:h2o:h2o:3.46.0.2:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 1, 2025	Initial Analysis	[email protected]
Mar 20, 2025	CVE Modified	CISA-ADP
Mar 20, 2025	New CVE Received	[email protected]