Bug ID 489329: Memory corruption can occur with SPDY/HTTP2 profile(s)

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP None(all modules)

Known Affected Versions:
11.4.1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8

Fixed In:
12.0.0, 11.6.1, 11.4.1 HF10

Opened: Nov 07, 2014
Severity: 2-Critical


A virtual server using either the SPDY or HTTP2 profiles can experience random memory corruption due to a double free of memory.


This results in a TMM crash in random components due to memory corruption.


SPDY/HTTP2 filter is configured on the virtual.


Do not use SPDY2/HTTP2 profiles.

Fix Information

A memory corruption in the SPDY/HTTP2 profiles has been fixed.

Behavior Change