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CVE

CVE-2025-27821

Apache Hadoop HDFS Native Client has Out-of-bounds Write Vulnerability
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CVE

CVE-2025-27821

Apache Hadoop HDFS Native Client has Out-of-bounds Write Vulnerability

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
C
H
U
7.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-27821, https://github.com/apache/hadoop/pull/7481, https://github.com/apache/hadoop/commit/2b32e46f666c7645f5d1e026be3982b99319ccb8, https://github.com/apache/hadoop, https://issues.apache.org/jira/browse/HDFS-17754, https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh, http://www.openwall.com/lists/oss-security/2026/01/23/7

Severity

7.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.3
EPSS Probability
0.00061%
EPSS Percentile
0.18683%
Introduced Version
3.2.0
Fix Available
3.4.2

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