Bug ID 2488365: BD may crash while handling certain websockets traffic

Last Modified: Oct 05, 2026

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

Known Affected Versions:
21.1.0, 21.1.0.1, 21.1.0.2

Opened: Aug 26, 2026

Severity: 3-Major

Symptoms

While handling high websockets traffic - bd might crash.

Impact

ASM restart

Conditions

- ASM is provisioned - Security policy attached - The handled traffic contains high WebSocket traffic with certain characteristics

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips