Last Modified: Aug 30, 2026
Affected Product(s):
BIG-IP DNS
Known Affected Versions:
17.5.1.6, 17.5.1.8
Opened: Jul 20, 2026 Severity: 2-Critical
DNS clients or packet analysers misinterpret the DNS responses
Malformed DNS responses from the DNS server
- BIGIP DNS configured with DNSX as a secondary - BIND or upstream DNS acts as a primary - DNSSEC zone configuration is active for the zone in question - AXFR request received from client for the configured zone
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