Serial number: AV26-604
Date: June 16, 2026
On June 16, 2026, Mozilla published security advisories to address vulnerabilities in the following products:
- Firefox – versions prior to 152
- Firefox for iOS – versions prior to 152
- Firefox EST – versions prior to 140.12
- Firefox ESR – versions prior to 115.37
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.