Denial Of Service (DoS)

Apache Fluss is vulnerable to Denial Of Service DoS. The vulnerability is due to configuring Netty's LengthFieldBasedFrameDecoder with an excessively large maximum frame length, which allows an unauthenticated remote attacker to send crafted frame headers and exhaust JVM heap memory on the...

GHSA-4C39-FWGJ-4VQ7 Apache Fluss: Unauthenticated remote attackers can exhaust JVM heap memory using crafted frame headers via TabletServer/CoordinatorServer

Apache Fluss versions prior to 0.9.1 configure the Netty LengthFieldBasedFrameDecoder with Integer.MAXVALUE as the maximum frame length, allowing unauthenticated remote attackers to exhaust JVM heap memory on TabletServer and CoordinatorServer by sending specially crafted frame headers, resulting...

CVE-2026-49361: Allocation of Resources Without Limits or Throttling

Apache Fluss versions prior to 0.9.1 configure the Netty LengthFieldBasedFrameDecoder with Integer.MAXVALUE as the maximum frame length, allowing unauthenticated remote attackers to exhaust JVM heap memory on TabletServer and CoordinatorServer by sending specially crafted frame headers, resulting...

PT-2026-45385

Name of the Vulnerable Software and Affected Versions Apache Fluss versions prior to 0.9.1 Description The Netty LengthFieldBasedFrameDecoder is configured with Integer.MAX VALUE as the maximum frame length. This allows unauthenticated remote attackers to exhaust JVM heap memory on TabletServer a...