A thunderbird security update has been released for Debian GNU/Linux 11 to fix a number of vulnerabilities that could lead to the execution of arbitrary code or the disclosure of private information.

DSA 5303-1: thunderbird security update

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Debian Security Advisory DSA-5303-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
December 16, 2022   https://www.debian.org/security/faq
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Package : thunderbird
CVE ID : CVE-2022-46882 CVE-2022-46881 CVE-2022-46880 CVE-2022-46878
CVE-2022-46874 CVE-2022-46872 CVE-2022-45414

Multiple security issues were discovered in Thunderbird, which could
result in the execution of arbitrary code or information disclosure.

For the stable distribution (bullseye), this problem has been fixed in
version 1:102.6.0-1~deb11u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/thunderbird

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/