Bug ID 683508: WebSockets: umu memory leak of binary frames when remote logger is configured

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP ASM(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,

Fixed In:

Opened: Sep 14, 2017
Severity: 3-Major
Related AskF5 Article:


ASM out of memory error messages in /var/log/asm.


ASM out of memory, memory leak.


-- Virtual server configured with WebSocket profile. -- ASM remote logger configured and assigned to the virtual server.


Remove ASM remote logging profile from a virtual server.

Fix Information

This release correctly releases unused memory after WebSocket message is sent to the logging destination.

Behavior Change