Mozilla published a security advisory highlighting vulnerabilities in the following products on the 31st of May 2022. It is recommended that you take the necessary precautions by ensuring your products are always updated.
Firefox versions prior to 101
Firefor ESR versions prior to 91.10
Thunderbird versions prior to 91.10
For more information on these updates, you can follow these URLs:
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Mozilla Security Advisory.pdf
Mozilla Security Advisory (31st May 2022). Retrieved from Canadian Centre Cyber Security. https://cyber.gc.ca/en/alerts/mozilla-security-advisory-av22-296
Mozilla Security Advisory (31st May 2022). Retrieved from Mozilla.