Debian alert DLA-4549-1 (thunderbird)

From:
             
 
Emilio Pozuelo Monfort <pochu@debian.org>
To:
             
 
<debian-lts-announce@lists.debian.org>
Subject:
             
 
[SECURITY] [DLA 4549-1] thunderbird security update
Date:
             
 
Sun, 26 Apr 2026 10:43:45 +0200
Message-ID:
             
 
<20260426084345.1D2775F00082@kamino>
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Debian LTS Advisory DLA-4549-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
April 26, 2026                                https://wiki.debian.org/LTS
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Package        : thunderbird
Version        : 1:140.10.0esr-1~deb11u1
CVE ID         : CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749
                 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753
                 CVE-2026-6754 CVE-2026-6757 CVE-2026-6761 CVE-2026-6762
                 CVE-2026-6763 CVE-2026-6764 CVE-2026-6765 CVE-2026-6766
                 CVE-2026-6767 CVE-2026-6769 CVE-2026-6770 CVE-2026-6771
                 CVE-2026-6772 CVE-2026-6776 CVE-2026-6785 CVE-2026-6786

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

For Debian 11 bullseye, these problems have been fixed in version
1:140.10.0esr-1~deb11u1.

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
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