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

DLA 3400-1: thunderbird security update

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Debian LTS Advisory DLA-3400-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
April 24, 2023   https://wiki.debian.org/LTS
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Package : thunderbird
Version : 1:102.10.0-1~deb10u1
CVE ID : CVE-2023-0547 CVE-2023-1945 CVE-2023-28427 CVE-2023-29479
CVE-2023-29533 CVE-2023-29535 CVE-2023-29536 CVE-2023-29539
CVE-2023-29541 CVE-2023-29548 CVE-2023-29550

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
1:102.10.0-1~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