Ref# AL2021_225 | Date: Dec 7th 2021

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Mozilla has published a security advisory, highlighting a vulnerability in the following products on the 7th of December 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.

• Firefox versions prior to 95
• Firefox ESR versions prior to 91.4.0
• Thunderbird versions prior to 91.4.0

For more information on these updates, you can follow these URLs:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-54/

https://www.mozilla.org/en-US/security/advisories/mfsa2021-53/

https://www.mozilla.org/en-US/security/advisories/mfsa2021-52/

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 (7th December 2021). Retrieved from Canadian Centre for Cyber Security.

         https://www.cyber.gc.ca/en/alerts/mozilla-security-advisory-50

• Mozilla security advisory (7th December 2021). Retrieved from Mozilla.

         https://www.mozilla.org/en-US/security/advisories/