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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] mozilla-thunderbird (SSA:2026-058-01)
Date: Fri, 27 Feb 2026 15:13:39 -0800 (PST)
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[slackware-security]  mozilla-thunderbird (SSA:2026-058-01)

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


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/mozilla-thunderbird-140.8.0esr-i686-1_slack15.0.txz:  Upgraded.
  This release contains security fixes and improvements.
  For more information, see:
    https://www.mozilla.org/en-US/thunderbird/140.8.0esr/releasenotes/
    https://www.mozilla.org/en-US/security/advisories/mfsa2026-17/
    https://www.cve.org/CVERecord?id=CVE-2026-2757
    https://www.cve.org/CVERecord?id=CVE-2026-2758
    https://www.cve.org/CVERecord?id=CVE-2026-2759
    https://www.cve.org/CVERecord?id=CVE-2026-2760
    https://www.cve.org/CVERecord?id=CVE-2026-2761
    https://www.cve.org/CVERecord?id=CVE-2026-2762
    https://www.cve.org/CVERecord?id=CVE-2026-2763
    https://www.cve.org/CVERecord?id=CVE-2026-2764
    https://www.cve.org/CVERecord?id=CVE-2026-2765
    https://www.cve.org/CVERecord?id=CVE-2026-2766
    https://www.cve.org/CVERecord?id=CVE-2026-2767
    https://www.cve.org/CVERecord?id=CVE-2026-2768
    https://www.cve.org/CVERecord?id=CVE-2026-2769
    https://www.cve.org/CVERecord?id=CVE-2026-2770
    https://www.cve.org/CVERecord?id=CVE-2026-2771
    https://www.cve.org/CVERecord?id=CVE-2026-2772
    https://www.cve.org/CVERecord?id=CVE-2026-2773
    https://www.cve.org/CVERecord?id=CVE-2026-2774
    https://www.cve.org/CVERecord?id=CVE-2026-2775
    https://www.cve.org/CVERecord?id=CVE-2026-2776
    https://www.cve.org/CVERecord?id=CVE-2026-2777
    https://www.cve.org/CVERecord?id=CVE-2026-2778
    https://www.cve.org/CVERecord?id=CVE-2026-2779
    https://www.cve.org/CVERecord?id=CVE-2026-2780
    https://www.cve.org/CVERecord?id=CVE-2026-2781
    https://www.cve.org/CVERecord?id=CVE-2026-2782
    https://www.cve.org/CVERecord?id=CVE-2026-2783
    https://www.cve.org/CVERecord?id=CVE-2026-2784
    https://www.cve.org/CVERecord?id=CVE-2026-2785
    https://www.cve.org/CVERecord?id=CVE-2026-2786
    https://www.cve.org/CVERecord?id=CVE-2026-2787
    https://www.cve.org/CVERecord?id=CVE-2026-2788
    https://www.cve.org/CVERecord?id=CVE-2026-2789
    https://www.cve.org/CVERecord?id=CVE-2026-2790
    https://www.cve.org/CVERecord?id=CVE-2026-2791
    https://www.cve.org/CVERecord?id=CVE-2026-2792
    https://www.cve.org/CVERecord?id=CVE-2026-2793
  (* 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-140.8.0esr-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-140.8.0esr-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-thunderbird-140.8.0esr-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-thunderbird-140.8.0esr-x86_64-1.txz


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

Slackware 15.0 package:
11fe47459021590dde8282d726854172  mozilla-thunderbird-140.8.0esr-i686-1_slack15.0.txz

Slackware x86_64 15.0 package:
fad682212cce56a9f6817afafbe278b8  mozilla-thunderbird-140.8.0esr-x86_64-1_slack15.0.txz

Slackware -current package:
0b1cbd2d406f5a38d15b7d4a8995855a  xap/mozilla-thunderbird-140.8.0esr-i686-1.txz

Slackware x86_64 -current package:
23899d22f062211e4427eeb57f280962  xap/mozilla-thunderbird-140.8.0esr-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg mozilla-thunderbird-140.8.0esr-i686-1_slack15.0.txz


+-----+

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

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