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Debian LTS Advisory DLA-2632-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
April 22, 2021                                https://wiki.debian.org/LTS
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Package        : thunderbird
Version        : 1:78.10.0-1~deb9u1
CVE ID         : CVE-2021-23961 CVE-2021-23991 CVE-2021-23992 CVE-2021-23993 
                 CVE-2021-23994 CVE-2021-23995 CVE-2021-23998 CVE-2021-23999 
                 CVE-2021-24002 CVE-2021-29945 CVE-2021-29946 CVE-2021-29948 
                 CVE-2021-29949

Multiple security issues were discovered in Thunderbird, which could
result in the execution of arbitrary code or information disclosure.
In adddition a number of security issues were addressed in the OpenPGP
support.

For Debian 9 stretch, these problems have been fixed in version
1:78.10.0-1~deb9u1.

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