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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-27821US | — | — | ||
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.… | ||||
02
references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/01/23/7WEB
- https://github.com/apache/hadoopPACKAGE
- https://github.com/apache/hadoop/commit/2b32e46f666c7645f5d1e026be3982b99319ccb8WEB
- https://github.com/apache/hadoop/pull/7481WEB
- https://issues.apache.org/jira/browse/HDFS-17754WEB
- https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplhWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-27821ADVISORY
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan