Last Modified: Jul 18, 2026
Affected Product(s):
BIG-IP FPS
Known Affected Versions:
12.1.2, 12.1.2 hf1, 12.1.2 hf2, 13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3
Fixed In:
13.1.0, 13.0.1, 12.1.3
Opened: Jun 15, 2017 Severity: 2-Critical
TMM core when server responds fast with server responses such as 404.
Traffic disrupted while tmm restarts.
-- FPS gets a request with a WebSafe URL (usually global URL - declared by signatures update). -- Server response is fast (based on URL/headers). -- FPS need to take some action on response.
None.
FPS now handles these conditions without a tmm crash.