Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP (all modules)
Known Affected Versions:
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
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.
A memory corruption in the SPDY/HTTP2 profiles has been fixed.