ThreatCluster

Critical Apache Hadoop Vulnerability Allows Data Corruption and System Crashes

First seen 26 Jan 2026, 15:09 UTC •GbhackersCybersecuritynewsCyberpress •30

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ThreatCluster

A moderate-severity vulnerability in Apache Hadoop's HDFS native client could allow attackers to cause system crashes or corrupt data via malicious URI inputs. This flaw, tracked as CVE-2025-27821, affects versions 3.2.0 through 3.4.1 and is due to an out-of-bounds write issue in the URI parser.

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