Bug ID 2488977: BD may crash while handling certain websockets traffic

Last Modified: Oct 22, 2026

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

Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 17.5.1.8, 17.5.1.9, 17.5.1.10

Opened: Aug 27, 2026

Severity: 3-Major

Symptoms

While handling certain WebSocket traffic, bd might crash

Impact

ASM restart

Conditions

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

Workaround

N/A

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips