CVE-2021-37404: Apache Hadoop

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

There is a potential heap buffer overflow in Apache Hadoop libhdfs native code. Opening a file path provided by user without validation may result in a denial of service or arbitrary code execution. Users should upgrade to Apache Hadoop 2.10.2, 3.2.3, 3.3.2 or higher.

Affected products

• Apache Hadoop: from 2.9.0, before 2.10.2 (fixed in 2.10.2); from 3.0.0, up to and including 3.1.4; from 3.2.0, before 3.2.3 (fixed in 3.2.3); from 3.3.0, before 3.3.2 (fixed in 3.3.2)

Published 2022-06-13. Last modified 2026-06-17.