Home / mailings [SECURITY] [DSA 6585-2] thunderbird regression update
Posted on 27 October 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6585-2 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
October 27, 2026 https://www.debian.org/security/faq
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Package : thunderbird
Debian Bug : 1152139
The update for thunderbird in DSA-6585-1 introduced a regression in
the supported for PGP-encrypted emails. Updated packages are now
available to correct this issue.
For the stable distribution (trixie), this problem has been fixed in
version 1:153.5.1esr-1~deb13u2.
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
