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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] mozilla-firefox (SSA:2026-139-02)
Date: Tue, 19 May 2026 16:53:50 -0700 (PDT)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[slackware-security]  mozilla-firefox (SSA:2026-139-02)

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-140.11.0esr-i686-1_slack15.0.txz:  Upgraded.
  This update contains security fixes and improvements.
  For more information, see:
    https://www.mozilla.org/en-US/firefox/140.11.0/releasenotes/
    https://www.mozilla.org/security/advisories/mfsa2026-48
    https://www.cve.org/CVERecord?id=CVE-2026-8946
    https://www.cve.org/CVERecord?id=CVE-2026-8388
    https://www.cve.org/CVERecord?id=CVE-2026-8947
    https://www.cve.org/CVERecord?id=CVE-2026-8391
    https://www.cve.org/CVERecord?id=CVE-2026-8401
    https://www.cve.org/CVERecord?id=CVE-2026-8949
    https://www.cve.org/CVERecord?id=CVE-2026-8950
    https://www.cve.org/CVERecord?id=CVE-2026-8953
    https://www.cve.org/CVERecord?id=CVE-2026-8954
    https://www.cve.org/CVERecord?id=CVE-2026-8955
    https://www.cve.org/CVERecord?id=CVE-2026-8956
    https://www.cve.org/CVERecord?id=CVE-2026-8957
    https://www.cve.org/CVERecord?id=CVE-2026-8958
    https://www.cve.org/CVERecord?id=CVE-2026-8959
    https://www.cve.org/CVERecord?id=CVE-2026-8961
    https://www.cve.org/CVERecord?id=CVE-2026-8962
    https://www.cve.org/CVERecord?id=CVE-2026-8968
    https://www.cve.org/CVERecord?id=CVE-2026-8970
    https://www.cve.org/CVERecord?id=CVE-2026-8974
    https://www.cve.org/CVERecord?id=CVE-2026-8975
  (* 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-140.11.0esr-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-140.11.0esr-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.11.0esr-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.11.0esr-x86_64-1.txz


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

Slackware 15.0 package:
00b192679db99c8fd6f69276a065c366  mozilla-firefox-140.11.0esr-i686-1_slack15.0.txz

Slackware x86_64 15.0 package:
a5f80a30d6d65a39154d0cbb3e421a48  mozilla-firefox-140.11.0esr-x86_64-1_slack15.0.txz

Slackware -current package:
8fb4dbb54f3fa93a26183077c6864a15  xap/mozilla-firefox-140.11.0esr-i686-1.txz

Slackware x86_64 -current package:
d5fc0bdbd859761aa86ee73653327221  xap/mozilla-firefox-140.11.0esr-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg mozilla-firefox-140.11.0esr-i686-1_slack15.0.txz


+-----+

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

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