New BIND releases are available: 9.18.39, 9.20.12, 9.21.11

[Suzanne Goldlust]

Our August 2025 maintenance releases of BIND 9 are available and can be downloaded from the ISC software download page, https://www.isc.org/download. Packages and container images provided by ISC will be updated later today.

A summary of significant changes in the new releases can be found in their release notes:

  - Current supported stable branches:

    9.18.39 - https://downloads.isc.org/isc/bind9/9.18.39/doc/arm/html/notes.html
    9.20.12 - https://downloads.isc.org/isc/bind9/9.20.12/doc/arm/html/notes.html

  - Experimental development branch:

    9.21.11 - https://downloads.isc.org/isc/bind9/9.21.11/doc/arm/html/notes.html

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As a reminder, BIND’s supported platforms are listed in the ARM (https://bind9.readthedocs.io/en/stable/chapter2.html#supported-platforms) and in this knowledgebase article (https://kb.isc.org/docs/supported-platforms).

This release introduces support for RHEL 10. Enterprise Linux 10 RPMs are available in Copr (https://copr.fedorainfracloud.org/coprs/isc/bind/).

Thank you for using ISC’s software.