Description
Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.

This issue affects Apache Hadoop: from 3.2.0 before 3.4.2.

Users are recommended to upgrade to version 3.4.2, which fixes the issue.
Published: 2026-01-26
Score: 7.3 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-92cc-952p-v8rh Apache Hadoop HDFS Native Client has Out-of-bounds Write Vulnerability
History

Tue, 27 Jan 2026 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*

Tue, 27 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache hadoop
Vendors & Products Apache
Apache hadoop

Mon, 26 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 26 Jan 2026 10:30:00 +0000

Type Values Removed Values Added
References

Mon, 26 Jan 2026 10:00:00 +0000

Type Values Removed Values Added
Description Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client. This issue affects Apache Hadoop: from 3.2.0 before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.
Title HDFS native client: Out of bounds write in URI parser of native HDFS client
Weaknesses CWE-787
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-01-26T18:13:19.241Z

Reserved: 2025-03-07T17:56:36.435Z

Link: CVE-2025-27821

cve-icon Vulnrichment

Updated: 2026-01-26T10:08:17.750Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-26T10:16:05.033

Modified: 2026-01-27T20:30:26.927

Link: CVE-2025-27821

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-27T20:17:54Z

Weaknesses