Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-thunderbird-140.6.0esr-i686-1_slack15.0.txz: Upgraded. This release contains security fixes and improvements. For more information, see: https://www.thunderbird.net/en-US/thunderbird/140.6.0esr/releasenotes/ https://www.mozilla.org/en-US/security/advisories/mfsa2025-96/ https://www.cve.org/CVERecord?id=CVE-2025-14321 https://www.cve.org/CVERecord?id=CVE-2025-14322 https://www.cve.org/CVERecord?id=CVE-2025-14323 https://www.cve.org/CVERecord?id=CVE-2025-14324 https://www.cve.org/CVERecord?id=CVE-2025-14325 https://www.cve.org/CVERecord?id=CVE-2025-14328 https://www.cve.org/CVERecord?id=CVE-2025-14329 https://www.cve.org/CVERecord?id=CVE-2025-14330 https://www.cve.org/CVERecord?id=CVE-2025-14331 https://www.cve.org/CVERecord?id=CVE-2025-14333 (* Security fix *)
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://www.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-140.6.0esr-i686-1_slack15.0.txz
Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/mozilla-thunderbird-140.6.0esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-thunderbird-140.6.0esr-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-thunderbird-140.6.0esr-x86_64-1.txz
Slackware 15.0 package:
2bad6ef816c45f37ba92ac4ac3e427a9 mozilla-thunderbird-140.6.0esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package:
d12c082d472620fb9a955538dfc8f111 mozilla-thunderbird-140.6.0esr-x86_64-1_slack15.0.txz
Slackware -current package:
0439cb2ce6c44bf5368e5897956b5501 xap/mozilla-thunderbird-140.6.0esr-i686-1.txz
Slackware x86_64 -current package:
a0f38ca8f24fd933aa179be5309fa026 xap/mozilla-thunderbird-140.6.0esr-x86_64-1.txz
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Installation instructions: Upgrade the package as root: # upgradepkg mozilla-thunderbird-140.6.0esr-i686-1_slack15.0.txz