Bug ID 2267713: BD might enter CPU loop

Last Modified: Sep 02, 2026

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

Known Affected Versions:
21.0.0.1, 21.0.0.2, 21.0.0.3, 21.1.0, 21.1.0.1, 21.1.0.2

Opened: Apr 14, 2026

Severity: 2-Critical

Symptoms

BD might enter a CPU spin loop while processing specific traffic

Impact

BD enters a CPU loop and crashes

Conditions

- ASM is provisioned - Security policy uses UTF-8 encoding - JSON profile has a schema attached - Traffic includes a JSON body with certain character combinations

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips