New expat packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix a security issue

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/expat-2.2.8-i586-1_slack14.2.txz: Upgraded.
Fix heap overflow triggered by XML_GetCurrentLineNumber (or
XML_GetCurrentColumnNumber), and deny internal entities closing the doctype.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15903
(* 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/expat-2.2.8-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/expat-2.2.8-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/expat-2.2.8-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/expat-2.2.8-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/expat-2.2.8-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/expat-2.2.8-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.2.8-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.2.8-x86_64-1.txz


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

Slackware 14.0 package:
5083c04afc9877a10abe5bd151b7236d expat-2.2.8-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
77efa3806a9ed98fddc044e8f0d25f1d expat-2.2.8-x86_64-1_slack14.0.txz

Slackware 14.1 package:
f68d41735c3cc218855491abe43b9755 expat-2.2.8-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
f9f9213aa7c70976a14676568ab414c8 expat-2.2.8-x86_64-1_slack14.1.txz

Slackware 14.2 package:
c7c7a2e1055d12fe2a8b5ff6be640c52 expat-2.2.8-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
00632a5b09d08316ee66fa63e4e23d27 expat-2.2.8-x86_64-1_slack14.2.txz

Slackware -current package:
fc31f923d41d753d2681472fb3203a27 l/expat-2.2.8-i586-1.txz

Slackware x86_64 -current package:
51baab2bafea79c8b39f1d6a35db12b7 l/expat-2.2.8-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg expat-2.2.8-i586-1_slack14.2.txz

  Expat (SSA:2019-259-01) for Slackware