Mozilla has published a security advisory, highlighting vulnerabilities in Firefox and Firefox ESR on November 2nd, 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on these updates, you can follow these URLs:
https://www.mozilla.org/en-US/security/advisories/mfsa2021-48/ https://www.mozilla.org/en-US/security/advisories/mfsa2021-49/
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Mozilla Security Advisory.pdf
References
l Mozilla security advisory (2nd November 2021). Retrieved from Mozilla.
https://www.mozilla.org/en-US/security/advisories/
l Mozilla security advisory (2nd November 2021). Retrieved from Canadian Centre for Cyber Security
https://cyber.gc.ca/en/alerts/mozilla-security-advisory-47