GHSA-92cc-952p-v8rh

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

Source: GitHub Advisory Database (reviewed) High CVE-2025-27821

Packages

Ecosystem	Package	Affected	Fixed in
Maven	org.apache.hadoop:hadoop-hdfs-native-client	>= 3.2.0, < 3.4.2	3.4.2

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

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