A thunderbird security update has been released for Debian GNU/Linux 10 to address multiple security issues.

DLA 3097-1: thunderbird security update

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Debian LTS Advisory DLA-3097-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Anton Gladky
September 04, 2022   https://wiki.debian.org/LTS
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Package : thunderbird
Version : 1:91.13.0-1~deb10u1
CVE ID : CVE-2022-38472 CVE-2022-38473 CVE-2022-38478

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

For Debian 10 buster, these problems have been fixed in version
1:91.13.0-1~deb10u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS