On 5 October 2021 Mozilla published Security Advisories to address multiple vulnerabilities in the following products:
- Firefox – versions prior to 93
- Firefox ESR – versions prior to 78.15 and 91.2
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.
Firefox (MFSA 2021-43)
Firefox ESR (MFSA 2021-44 and MFSA 2021-45)