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Mozilla Releases Security Update for Thunderbird

Report a cyber attack: call 0300 303 5222 or email [email protected]

Affected platforms

The following platforms are known to be affected:

Threat details

Mozilla has released a security update to address vulnerabilities in Thunderbird. An attacker could exploit this vulnerability to take control of an affected system.


Remediation advice

Organisations are encouraged to review the advisory for Thunderbird 78.9 and apply the necessary update.

Last edited: 29 March 2021 10:10 am