Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10
Fixed In:
11.6.0
Opened: Jul 17, 2014 Severity: 2-Critical
During a special case of optimization the peer connflow is released. Subsequent references to connflow result in crash.
Traffic disrupted while tmm restarts.
When PEM hudfilter is optimized & server sends a reset, the code checks a non-existent peer connection.
None
The code path checks for NULL connflow before attempting to access the data structure.