Affected: CleanStart: apache-nifi

Security vulnerability affects the apache-nifi package. A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap.

A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap.

This occurs when auto-fragmentation is enabled, as unknown opcodes bypass the normal maximum frame size handling and payload allocation occurs before the opcode is validated.

A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap.

This occurs when auto-fragmentation is enabled, as unknown opcodes bypass the normal maximum frame size handling and payload allocation occurs before the opcode is validated.

Affected: Ubuntu:16.04:LTS: jetty9, Ubuntu:18.04:LTS: jetty9, Ubuntu:20.04:LTS: jetty9, Ubuntu:22.04:LTS: jetty9, Ubuntu:24.04:LTS: jetty9, Ubuntu:26.04:LTS: jetty12, Ubuntu:26.04:LTS: jetty9

A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap. This occurs when auto-fragmentation is enabled, as unknown opcodes bypass the normal maximum frame size handling and payload allocation occurs before the opcode is validated.

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Eclipse Jetty ausnutzen, um einen Denial of Service Angriff durchzuführen.