New BIND releases are available: 9.16.48, 9.18.24, 9.19.21

[Victoria Risk]

Our February 2024 maintenance releases of BIND 9 are available and can be downloaded from the ISC software download page, https://www.isc.org/download.

In addition to bug fixes and feature improvements, these releases also contain fixes for security vulnerabilities (CVE-2023-4408, CVE-2023-5517, CVE-2023-5679, CVE-2023-5680, CVE-2023-6516, CVE-2023-50387, CVE-2023-50868), about which more information is provided in the following Security Advisories:

    https://kb.isc.org/docs/cve-2023-4408
    https://kb.isc.org/docs/cve-2023-5517
    https://kb.isc.org/docs/cve-2023-5679
    https://kb.isc.org/docs/cve-2023-5680
    https://kb.isc.org/docs/cve-2023-6516
    https://kb.isc.org/docs/cve-2023-50387
    https://kb.isc.org/docs/cve-2023-50868

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

  - Current supported stable branches:

    9.16.48 - https://downloads.isc.org/isc/bind9/9.16.48/doc/arm/html/notes.html
    9.18.24 - https://downloads.isc.org/isc/bind9/9.18.24/doc/arm/html/notes.html

  - Experimental development branch:

    9.19.21 - https://downloads.isc.org/isc/bind9/9.19.21/doc/arm/html/notes.html

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We recommend that users planning to upgrade from either the EOL 9.11 branch or the 9.16 branch should read the following documents first:

    https://kb.isc.org/docs/changes-to-be-aware-of-when-moving-from-911-to-916
    https://kb.isc.org/docs/changes-to-be-aware-of-when-moving-from-bind-916-to-918