A thunderbird security update has been released for Debian GNU/Linux 11 and 12 to address multiple security issues.

[SECURITY] [DSA 5451-1] thunderbird security update

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Debian Security Advisory DSA-5451-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
July 09, 2023 https://www.debian.org/security/faq
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Package : thunderbird
CVE ID : CVE-2023-37201 CVE-2023-37202 CVE-2023-37207
CVE-2023-37208 CVE-2023-37211
Debian Bug : 971790 1006432

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

For the oldstable distribution (bullseye), this problem has been fixed
in version 1:102.13.0-1~deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 1:102.13.0-1~deb12u1.

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/