CVE-2025-27821: Apache Patches Out-of-Bounds Write Flaw in Hadoop HDFS Client Vulnerability Report CVE-2025-27821: Apache Patches Out-of-Bounds Write Flaw in Hadoop HDFS Client Do Son January 25, 2026 0 The Apache Software Foundation has released a security update for Apache Hadoop, the backbone of big data... Read More Read more about CVE-2025-27821: Apache Patches Out-of-Bounds Write Flaw in Hadoop HDFS Client