system
Identify the affected product in <CVE-2021-25215>.
user
Which product is affected by <CVE-2021-25215>?
assistant
The affected product is BIND9 and version: Open Source Branches 9.0 through 9.11 9.0.0 through versions before 9.11.30, Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14, Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions before 9.11.30-S1, Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.14-S1, Development Branch 9.17 9.17.0 through versiosn before 9.17.12.