CVE-2026-59902

A flaw was found in Netty. The SctpMessageCompletionHandler component, which handles Stream Control Transmission Protocol SCTP messages, limits incomplete messages and fragment counts but does not properly limit maxBufferedBytes. An unauthenticated remote attacker could send specially crafted,...

SUSE CVE-2026-59902

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.sctp.SctpMessageCompletionHandler limits incomplete messages and fragment counts but not maxBufferedBytes, allowing unauthenticated peers to exhaust memory with...

Improperly Controlled Sequential Memory Allocation

Overview Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation due to unbounded buffering of incomplete SCTP message fragments. An attacker can trigger an OutOfMemoryError by sending large or many fragmented SCTP messages that the handler retains...

CVE-2026-59902: Uncontrolled Resource Consumption

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.sctp.SctpMessageCompletionHandler limits incomplete messages and fragment counts but not maxBufferedBytes, allowing unauthenticated peers to exhaust memory with...

UBUNTU-CVE-2026-46340

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...