CVE-2025-27821 | THREATINT

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 Reserved 2025-03-07 | Published 2026-01-26 | Updated 2026-01-26 | Assigner apache

Problem types

CWE-787 Out-of-bounds Write

Product status

Default status

unaffected

3.2.0 (semver) before 3.4.2

affected

Credits

BUI Ngoc Tan reporter

References

www.openwall.com/lists/oss-security/2026/01/23/7

lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh vendor-advisory

cve.org (CVE-2025-27821)

nvd.nist.gov (CVE-2025-27821)

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