New curl 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/curl-7.59.0-i586-1_slack14.2.txz: Upgraded.
This update fixes security issues:
FTP path trickery leads to NIL byte out of bounds write
LDAP NULL pointer dereference
RTSP RTP buffer over-read
For more information, see:
https://curl.haxx.se/docs/adv_2018-9cd6.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000120
https://curl.haxx.se/docs/adv_2018-97a2.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000121
https://curl.haxx.se/docs/adv_2018-b047.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000122
(* 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/curl-7.59.0-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/curl-7.59.0-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/curl-7.59.0-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/curl-7.59.0-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/curl-7.59.0-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/curl-7.59.0-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/curl-7.59.0-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/curl-7.59.0-x86_64-1.txz


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

Slackware 14.0 package:
a16c379660b3629461f8b963a17d6a4d curl-7.59.0-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
6f8f8f059c45bb9d55d3ec7c1a579b3d curl-7.59.0-x86_64-1_slack14.0.txz

Slackware 14.1 package:
158f51a6895c90b32cf3c7e9547830c3 curl-7.59.0-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
499cfda3202a0ecffc92a83fdb8c1982 curl-7.59.0-x86_64-1_slack14.1.txz

Slackware 14.2 package:
5ec638a7b0543572ca4252aff3b0f8fc curl-7.59.0-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
9dd8194bd6786fd8fe586c5de0a1415d curl-7.59.0-x86_64-1_slack14.2.txz

Slackware -current package:
9b916c08262d4d61a898c889b9fc8c5f n/curl-7.59.0-i586-1.txz

Slackware x86_64 -current package:
2bcce8a65e87a41863c5d41757ce8701 n/curl-7.59.0-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg curl-7.59.0-i586-1_slack14.2.txz

  Curl Security Update (SSA:2018-074-01) for Slackware Linux