VULNERABILITY INTELLIGENCE
CVE-2025-27821
CVSS score7.3 HIGH
EPSS probability0.91%
CISA KEVNot currently listed
Published2026-01-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Description
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.
Weakness classification
- security@apache.org: CWE-787
Primary references
- security@apache.org — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory