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Status published
Unknown
CVE-2025-27821
HDFS native client: Out of bounds write in URI parser of native HDFS client
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- BUI Ngoc Tan
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Affected Vendor
Apache Software Foundation
View all reports →Affected Software
HDFS native client
Vulnerable Versions:
3.2.0
Timeline
Official Publish:
January 26th, 2026
Last Modified:
January 26th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available