Last Modified: Sep 02, 2026
Affected Product(s):
BIG-IP ASM
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
BD might enter a CPU spin loop while processing specific traffic
BD enters a CPU loop and crashes
- ASM is provisioned - Security policy uses UTF-8 encoding - JSON profile has a schema attached - Traffic includes a JSON body with certain character combinations
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