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. References: https://lists.apache.org/thread/2h56ztcj3ojc66qzf1nno88vjw9vd4wo