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Mozilla security advisory (AV26-604)

ID: 17414045-c32b-52ae-92ed-ae41d05c00be

STIX ID: report--17414045-c32b-52ae-92ed-ae41d05c00be

Feed Name: Canadian Centre for Cyber Security Alerts and Advisories

Threat Score
25/100

Date Published: 2026-06-16

Date Updated: 2026-06-17

Author: Canadian Centre for Cyber Security

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**Executive Summary:** Mozilla published security advisories on 16 June 2026 addressing vulnerabilities in Firefox (versions prior to 152), Firefox for iOS (versions prior to 152), Firefox EST (versions prior to 140.12), and Firefox ESR (versions prior to 115.37); users and administrators are encouraged to review the provided links and apply updates.

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