Mozilla Releases Security Update for Thunderbird

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In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.

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

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla Security Advisory for Thunderbird 78 and apply the necessary update.

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Archived Content

Mozilla Releases Security Update for Thunderbird

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