Home / mailings [SECURITY] [DSA 6483-1] thunderbird security update
Posted on 04 September 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6483-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 04, 2026 https://www.debian.org/security/faq
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Package : thunderbird
CVE ID : CVE-2026-16365 CVE-2026-16371 CVE-2026-75874 CVE-2026-84119
CVE-2026-84120 CVE-2026-84121 CVE-2026-84122 CVE-2026-84124
CVE-2026-84131 CVE-2026-84143 CVE-2026-84145 CVE-2026-84639
CVE-2026-84640 CVE-2026-84641
Multiple security issues were discovered in Thunderbird, which could
result in the execution of arbitrary code or information disclosure.
For the stable distribution (trixie), these problems have been fixed in
version 1:140.15.0esr-1~deb13u1.
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/
Mailing list: debian-security-announce@lists.debian.org
