A mozilla-firefox security update is available for Slackware 14.2 and -current to fix security issues.

slackware-security: mozilla-firefox (SSA:2020-181-01)

New mozilla-firefox packages are available for Slackware 14.2 and -current to
fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/mozilla-firefox-68.10.0esr-i686-1_slack14.2.txz: Upgraded.
This release contains security fixes and improvements.
For more information, see:
https://www.mozilla.org/en-US/firefox/68.10.0/releasenotes/
(* 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 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/mozilla-firefox-68.10.0esr-i686-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/mozilla-firefox-68.10.0esr-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-68.10.0esr-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-68.10.0esr-x86_64-1.txz

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

Slackware 14.2 package:
2397d8ce397e3f86e967358a212580b6 mozilla-firefox-68.10.0esr-i686-1_slack14.2.txz

Slackware x86_64 14.2 package:
e05f05475770ee2a267c175ba0f9cbb0 mozilla-firefox-68.10.0esr-x86_64-1_slack14.2.txz

Slackware -current package:
d1a9831c16070b98e3b68525aece50a8 xap/mozilla-firefox-68.10.0esr-i686-1.txz

Slackware x86_64 -current package:
96b795637ac586ceac5c4e425d463f5f xap/mozilla-firefox-68.10.0esr-x86_64-1.txz

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

Upgrade the package as root:
# upgradepkg mozilla-firefox-68.10.0esr-i686-1_slack14.2.txz