Thursday 03 December 2020
The impact of this issue announcement is high. Please act accordingly to rectify the issue, as stated below.
Mozilla Thunderbird versions prior to 78.5.1.
What you need to know:
Mozilla Foundation Security Advisory 2020-53 announced the release of Thunderbird 78.5.1 to address security vulnerability CVE-2020-26970, a stack overflow due to incorrect parsing of SMTP server response codes.
Actions to be taken:
Download and Install Mozilla Thunderbird 78.5.1.