Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP LTM
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, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Fixed In:
12.0.0
Opened: Nov 10, 2014 Severity: 2-Critical Related Article:
K16298
In Woodside congestion control, the congestion window is used to calculate the minimum delay. During this calculation, if congestion window is 0, division by congestion window (0) causes a core during the calculation.
Traffic disrupted while tmm restarts.
The congestion window becomes 0.
Use another congestion control rather than Woodside.
A TMM crash bug when using Woodside congestion control has been fixed. The issue was a division by 0 bug.