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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] mozilla-firefox (SSA:2026-083-01)
Date: Tue, 24 Mar 2026 19:30:01 -0700 (PDT)
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Hash: SHA1

[slackware-security]  mozilla-firefox (SSA:2026-083-01)

New mozilla-firefox 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-firefox-140.9.0esr-i686-1_slack15.0.txz:  Upgraded.
  This update contains security fixes and improvements.
  For more information, see:
    https://www.mozilla.org/en-US/firefox/140.9.0/releasenotes/
    https://www.mozilla.org/security/advisories/mfsa2026-22/
    https://www.cve.org/CVERecord?id=CVE-2026-4684
    https://www.cve.org/CVERecord?id=CVE-2026-4685
    https://www.cve.org/CVERecord?id=CVE-2026-4686
    https://www.cve.org/CVERecord?id=CVE-2026-4687
    https://www.cve.org/CVERecord?id=CVE-2026-4688
    https://www.cve.org/CVERecord?id=CVE-2026-4689
    https://www.cve.org/CVERecord?id=CVE-2026-4690
    https://www.cve.org/CVERecord?id=CVE-2026-4691
    https://www.cve.org/CVERecord?id=CVE-2026-4692
    https://www.cve.org/CVERecord?id=CVE-2026-4693
    https://www.cve.org/CVERecord?id=CVE-2026-4694
    https://www.cve.org/CVERecord?id=CVE-2026-4695
    https://www.cve.org/CVERecord?id=CVE-2026-4696
    https://www.cve.org/CVERecord?id=CVE-2026-4697
    https://www.cve.org/CVERecord?id=CVE-2026-4698
    https://www.cve.org/CVERecord?id=CVE-2026-4699
    https://www.cve.org/CVERecord?id=CVE-2026-4700
    https://www.cve.org/CVERecord?id=CVE-2026-4701
    https://www.cve.org/CVERecord?id=CVE-2026-4702
    https://www.cve.org/CVERecord?id=CVE-2026-4704
    https://www.cve.org/CVERecord?id=CVE-2026-4705
    https://www.cve.org/CVERecord?id=CVE-2026-4706
    https://www.cve.org/CVERecord?id=CVE-2026-4707
    https://www.cve.org/CVERecord?id=CVE-2026-4708
    https://www.cve.org/CVERecord?id=CVE-2026-4709
    https://www.cve.org/CVERecord?id=CVE-2026-4710
    https://www.cve.org/CVERecord?id=CVE-2026-4711
    https://www.cve.org/CVERecord?id=CVE-2026-4712
    https://www.cve.org/CVERecord?id=CVE-2026-4713
    https://www.cve.org/CVERecord?id=CVE-2026-4714
    https://www.cve.org/CVERecord?id=CVE-2026-4715
    https://www.cve.org/CVERecord?id=CVE-2026-4716
    https://www.cve.org/CVERecord?id=CVE-2026-4717
    https://www.cve.org/CVERecord?id=CVE-2025-59375
    https://www.cve.org/CVERecord?id=CVE-2026-4718
    https://www.cve.org/CVERecord?id=CVE-2026-4719
    https://www.cve.org/CVERecord?id=CVE-2026-4720
    https://www.cve.org/CVERecord?id=CVE-2026-4721
  (* 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-firefox-140.9.0esr-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-firefox-140.9.0esr-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.9.0esr-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.9.0esr-x86_64-1.txz


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

Slackware 15.0 package:
905f7dce76ed32699ffe8db1a59e3a28  mozilla-firefox-140.9.0esr-i686-1_slack15.0.txz

Slackware x86_64 15.0 package:
03d4a0983639d0c1a71f85df1ba291cd  mozilla-firefox-140.9.0esr-x86_64-1_slack15.0.txz

Slackware -current package:
103bb16e97949828383601420824edff  xap/mozilla-firefox-140.9.0esr-i686-1.txz

Slackware x86_64 -current package:
db28ccae94dd8d24c8559d90c6c8b3c6  xap/mozilla-firefox-140.9.0esr-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg mozilla-firefox-140.9.0esr-i686-1_slack15.0.txz


+-----+

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

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