An expat (SSA:2021-143-01) security update has been released for Slackware 14.0, 14.1, 14.2, and -current.

slackware-security: expat (SSA:2021-143-01)

[slackware-security] expat (SSA:2021-143-01)

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-2.4.1-i586-1_slack14.2.txz: Upgraded.
This update provides new mitigations against the "billion laughs" denial
of service attack.
For more information, see:
https://github.com/libexpat/libexpat/blob/R_2_4_1/expat/Changes
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0340
(* 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-2.4.1-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-2.4.1-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/expat-2.4.1-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-2.4.1-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/expat-2.4.1-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-2.4.1-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.4.1-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.4.1-x86_64-1.txz

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

Slackware 14.0 package:
1380289fd84bf1953cebdda9bd210c3d expat-2.4.1-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
9d054e8ea825f037a2cdf20cb56c21bb expat-2.4.1-x86_64-1_slack14.0.txz

Slackware 14.1 package:
7a245716339bc04c21b6ecc55b44e63d expat-2.4.1-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
21a6c8f7663cf02acc05f7da90daa93e expat-2.4.1-x86_64-1_slack14.1.txz

Slackware 14.2 package:
89e9c52f2528af96c4ec42982c53765a expat-2.4.1-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
760cfb8ea7e0cc39fa80b3941a38e98d expat-2.4.1-x86_64-1_slack14.2.txz

Slackware -current package:
5e0aac7b641db5683fe5c43ec918d049 l/expat-2.4.1-i586-1.txz

Slackware x86_64 -current package:
c0b118942c1cab5308a061b5043a51db l/expat-2.4.1-x86_64-1.txz

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

Upgrade the package as root:
# upgradepkg expat-2.4.1-i586-1_slack14.2.txz