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Debian Security Advisory DSA-5582-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
December 21, 2023                     https://www.debian.org/security/faq
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Package        : thunderbird
CVE ID         : CVE-2023-6856 CVE-2023-6857 CVE-2023-6858 CVE-2023-6859 
                 CVE-2023-6860 CVE-2023-6861 CVE-2023-6862 CVE-2023-6864 
                 CVE-2023-6873 CVE-2023-50761 CVE-2023-50762

Multiple security issues were discovered in Thunderbird, which could
result in denial of service, the execution of arbitrary code or spoofing
of signed PGP/MIME and SMIME emails.

For the oldstable distribution (bullseye), these problems have been fixed
in version 1:115.6.0-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 1:115.6.0-1~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/source-package/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/

Mailing list: debian-security-announce@lists.debian.org