Mozilla Security Advisory (15th October 2021)

Ref# ADV2021_185 | Date: Oct 15th 2021

Mozilla has published a security advisory, highlighting a vulnerability in the following product listed below on the 6th of October 2021. It is recommended that you take the necessary precautions by ensuring your product are always updated.

  • Thunderbird versions prior to 91.2

For more information on this update, you can follow this URL:

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.

PDF Download: Mozilla Security Advisory for Thunderbird.pdf


  • Mozilla security advisory (6th October 22021). Retrieved from Mozilla.

  • Mozilla security advisory (12th October 2021). Retrieved from Canadian Centre for Cyber Security.