ISC BIND security advisory (AV26-732)

Serial number: AV26-732
Date: July 22, 2026

On July 22, 2026, ISC published security advisories to address vulnerabilities in the following products:

  • ISC BIND 9 – versions 9.11.0 to 9.18.50
  • ISC BIND 9 – versions 9.20.0 to 9.20.24
  • ISC BIND 9 – versions 9.21.0 to 9.21.23
  • BIND Supported Preview Edition – versions 9.11.3-S1 to 9.18.50-S1
  • BIND Supported Preview Edition – versions 9.16.8-S1 to 9.18.50-S1
  • BIND Supported Preview Edition – versions 9.18.11-S1 to 9.18.50-S1
  • BIND Supported Preview Edition – versions 9.20.9-S1 to 9.20.24-S1

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

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