CVE-2025-27821
HDFS native client: Out of bounds write in URI parser of native HDFS client
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.3EPSS 0.9%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
26 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
Apache Software Foundation · HDFS native client