A flaw was found in Apache hadoop. The WebHDFS client can send a SPNEGO authorization header to a remote URL without proper verification which could lead to an access restriction bypass. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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.

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.