New mariadb packages are available for Slackware 14.1 and 14.2 to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/mariadb-10.0.35-i586-1_slack14.2.txz: Upgraded.
This update fixes bugs and security issues.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2782
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2784
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2787
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2766
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2755
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2817
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2761
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2781
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2771
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-2813
(* 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 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/mariadb-5.5.60-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/mariadb-5.5.60-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/mariadb-10.0.35-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/mariadb-10.0.35-x86_64-1_slack14.2.txz


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

Slackware 14.1 package:
3b71d2f3d141f91c67a174eb02f3aef2 mariadb-5.5.60-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
8cd272a56bcad890e7c961d511f70fc6 mariadb-5.5.60-x86_64-1_slack14.1.txz

Slackware 14.2 package:
e7d91844d97f3d02e7b1719ed4023e97 mariadb-10.0.35-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
1a9d3c18b1b3eb0f48c5b700faf7352e mariadb-10.0.35-x86_64-1_slack14.2.txz


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

Upgrade the package as root:
# upgradepkg mariadb-10.0.35-i586-1_slack14.2.txz

Then, restart the database server:
# sh /etc/rc.d/rc.mysqld restart

  MariaDB Security Update (SSA:2018-130-01) for Slackware