Vulnerability Database

320,453

Total vulnerabilities in the database

CVE-2025-27821

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: Jan 26, 2026
  • Updated: Jan 27, 2026
  • CVE: CVE-2025-27821
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWEs:

Software From Fixed in
apache / hadoop 3.2.0 3.4.2