Last Modified: Oct 15, 2025
Affected Product(s):
BIG-IP DNS
Known Affected Versions:
17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3
Opened: Sep 26, 2025 Severity: 3-Major
iRule fails with TCL errors when processing type 65 (SVCB/HTTPS) DNS responses. -err tmm1[1527]: 01220001:3: TCL error: /Common/Loga1 <DNS_RESPONSE> - ldns wire2pkt failure invoked from within "DNS::ptype" -err tmm1[1527]: 01220001:3: TCL error: /Common/Loga1 <DNS_RESPONSE> - Packet alloc for section failure. invoked from within "DNS::answer"
iRules may trigger TCL errors for type 65 DNS responses, but responses are still correctly delivered to clients and traffic is unaffected.
Occurs when a DNS iRule processes a response containing type 65 (SVCB/HTTPS) records.
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