Last Modified: Sep 02, 2026
Affected Product(s):
BIG-IP TMOS
Fixed In:
21.1.0.2, 17.5.1.9, 17.1.3.5
Opened: Jun 15, 2026 Severity: 3-Major
The product includes Unbound version 1.23.1, which had robustness issues that were later fixed in subsequent Unbound releases
Robustness issues are addressed in Unbound 1.25.1
This issue affects systems using the embedded Unbound DNS resolver version 1.23.1 or earlier
None
Upgraded Unbound from version 1.23.1 to 1.25.1. This update remediates robustness issues