Bug ID 2217273: TMM crashes with a SIGFPE when it receives IPS traffic.

Last Modified: Apr 16, 2026

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 21.0.0, 21.0.0.1

Opened: Jan 27, 2026

Severity: 3-Major

Symptoms

TMM crashes with a SIGFPE when it receives IPS traffic.

Impact

TMM crash (service disruption/crash loop possible).

Conditions

It occurs when traffic reaches a virtual server or firewall policy with an IPS profile while IPS signature blobs are still being created and the IPS engines are not yet ready.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips