Mozilla security advisory (AV25-747)

Serial number: AV25-747
Date: November 12, 2025

On November 11, 2025, Mozilla published security advisories to address vulnerabilities in the following products:

  • Firefox – versions prior to 145
  • Firefox ESR – versions prior to 140.5
  • Firefox ESR – versions prior to 115.30

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

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