Slackware 15.0 Mozilla Thunderbird Major Security Update SSA-2026-099-01
slackware
April 8, 2026
New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues.
Summary
Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-thunderbird-140.9.1esr-i686-1_slack15.0.txz: Upgraded. This release contains security fixes and improvements. For more information, see: https://www.thunderbird.net/en-US/thunderbird/140.9.1esr/releasenotes/ https://www.mozilla.org/en-US/security/advisories/mfsa2026-29/ https://www.cve.org/CVERecord?id=CVE-2026-5732 https://www.cve.org/CVERecord?id=CVE-2026-5731 https://www.cve.org/CVERecord?id=CVE-2026-5734 (* Security fix *)
Topics Covered
Where Find 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://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-140.9.1esr-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-140.9.1esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-thunderbird-140.9.1esr-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-thunderbird-140.9.1esr-x86_64-1.txz
MD5 Signatures
Slackware 15.0 package:
de72b93eb09d9106f58b985251306f67 mozilla-thunderbird-140.9.1esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package:
3c6b520240ef7048acdc8e47abde8213 mozilla-thunderbird-140.9.1esr-x86_64-1_slack15.0.txz
Slackware -current package:
102f2fb97f0075e42a2a70695c8e40bd xap/mozilla-thunderbird-140.9.1esr-i686-1.txz
Slackware x86_64 -current package:
bc3cf4b17402da1c60c4c6d1925b401c xap/mozilla-thunderbird-140.9.1esr-x86_64-1.txz
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Topics Covered
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Installation Instructions
Installation instructions: Upgrade the package as root: # upgradepkg mozilla-thunderbird-140.9.1esr-i686-1_slack15.0.txz
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