Mozilla published security advisories highlighting vulnerabilities in the following products on the 5th of April 2022. It is recommended that you take the necessary precautions by ensuring your products are always updated.
Firefox versions prior to 99
Firefox ESR versions prior to 91.8
For more information on these updates, you can follow these URLs:
https://www.mozilla.org/en-US/security/advisories/mfsa2022-14/
https://www.mozilla.org/en-US/security/advisories/mfsa2022-13/
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Mozilla Security Advisory.pdf
References
Mozilla Security Advisory (5th April 2022). Retrieved from Canadian Centre for Cyber Security.
https://cyber.gc.ca/en/alerts/mozilla-security-advisory-av22-179
Mozilla Security Advisory (5th April 2022). Retrieved from Mozilla.
https://www.mozilla.org/en-US/security/advisories/