mozilla-firefox (SSA:2020-094-01)
From: Slackware Security Team <>
Subject: [slackware-security] mozilla-firefox (SSA:2020-094-01)
Date: Fri, 3 Apr 2020 17:08:09 -0700 (PDT)

Hash: SHA1

[slackware-security] mozilla-firefox (SSA:2020-094-01)

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-68.6.1esr-i686-1_slack14.2.txz: Upgraded.
This release contains critical security fixes and improvements.
"Under certain conditions, when running the nsDocShell destructor, a race
condition can cause a use-after-free. We are aware of targeted attacks in
the wild abusing this flaw."
"Under certain conditions, when handling a ReadableStream, a race condition
can cause a use-after-free. We are aware of targeted attacks in the wild
abusing this flaw."
For more information, see:
(* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
( for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on for
additional mirror sites near you.

Updated package for Slackware 14.2:

Updated package for Slackware x86_64 14.2:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 14.2 package:
8b2eb341ce310660bd7776be0e941779 mozilla-firefox-68.6.1esr-i686-1_slack14.2.txz

Slackware x86_64 14.2 package:
a2664ad8d32a5c26f1cd19fe3dab5e49 mozilla-firefox-68.6.1esr-x86_64-1_slack14.2.txz

Slackware -current package:
0be47fd6ac6cb7a92958ee263489f6e9 xap/mozilla-firefox-68.6.1esr-i686-1.txz

Slackware x86_64 -current package:
781e4b6619da74250fc8d951ef49223e xap/mozilla-firefox-68.6.1esr-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg mozilla-firefox-68.6.1esr-i686-1_slack14.2.txz


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