From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] mozilla-thunderbird (SSA:2026-293-05)
Date: Tue, 20 Oct 2026 17:52:13 -0700 (PDT)





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[slackware-security] mozilla-thunderbird (SSA:2026-293-05)

New mozilla-thunderbird packages are available for Slackware 15.0 and -current
to fix a security issue.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/mozilla-thunderbird-140.17.0esr-i686-2_slack15.0.txz: Rebuilt.
This update fixes a security issue:
Build --with-system-zlib and --with-system-nss to pick up the latest
CA certificates.
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/mozilla-thunderbird-140.17.0esr-i686-2_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/mozilla-thunderbird-140.17.0esr-x86_64-2_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-thunderbird-153.5.1esr-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-thunderbird-153.5.1esr-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 15.0 package:
ffd098b2e90ae582e1ec9717bd3b7025 mozilla-thunderbird-140.17.0esr-i686-2_slack15.0.txz

Slackware x86_64 15.0 package:
9b19a121d1f71a719d281d059bb32c17 mozilla-thunderbird-140.17.0esr-x86_64-2_slack15.0.txz

Slackware -current package:
3f87b79712d51ff230ed1580b7b0356d xap/mozilla-thunderbird-153.5.1esr-i686-1.txz

Slackware x86_64 -current package:
0e1253d5f5b63da0a0df8e195fdaaf52 xap/mozilla-thunderbird-153.5.1esr-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg mozilla-thunderbird-140.17.0esr-i686-2_slack15.0.txz


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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