New php packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/php-5.6.37-i586-1_slack14.2.txz: Upgraded.
Several security bugs have been fixed in this release, including:
Int Overflow lead to Heap OverFlow in exif_thumbnail_extract of exif.c
heap-buffer-overflow (READ of size 48) while reading exif data
(* 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 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/php-5.6.37-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/php-5.6.37-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/php-5.6.37-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/php-5.6.37-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/php-5.6.37-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/php-5.6.37-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/php-7.2.8-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/php-7.2.8-x86_64-1.txz


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

Slackware 14.0 package:
f0e3dca0b127dc7e1d84d9ee368f5a10 php-5.6.37-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
12fb8e7be24a5042272d59a86f4c4f39 php-5.6.37-x86_64-1_slack14.0.txz

Slackware 14.1 package:
f529dafb15dc467102f7ba52e77b1736 php-5.6.37-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
c8540af3b6e614835e77245174010214 php-5.6.37-x86_64-1_slack14.1.txz

Slackware 14.2 package:
7c41dc5000dc56b16fc40f69692fdb32 php-5.6.37-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
b215c0f2ef06ce14b9cc02594e84113a php-5.6.37-x86_64-1_slack14.2.txz

Slackware -current package:
bbee40abac3a845239a930e524cf952d n/php-7.2.8-i586-1.txz

Slackware x86_64 -current package:
e66c46abaac39bd629e7f6ce303a46b6 n/php-7.2.8-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg php-5.6.37-i586-1_slack14.2.txz

Then, restart Apache httpd:
# /etc/rc.d/rc.httpd stop
# /etc/rc.d/rc.httpd start