libX11 (SSA:2018-233-01)
From: Slackware Security Team <>
Subject: [slackware-security] libX11 (SSA:2018-233-01)
Date: Tue, 21 Aug 2018 13:09:53 -0700 (PDT)

Hash: SHA1

[slackware-security] libX11 (SSA:2018-233-01)

New libX11 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/libX11-1.6.6-i586-1_slack14.2.txz: Upgraded.
This update fixes some security issues:
Fixed crash on invalid reply (CVE-2018-14598).
Fixed off-by-one writes (CVE-2018-14599).
Fixed out of boundary write (CVE-2018-14600).
For more information, see:
(* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
( for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on for
additional mirror sites near you.

Updated package for Slackware 14.0:

Updated package for Slackware x86_64 14.0:

Updated package for Slackware 14.1:

Updated package for Slackware x86_64 14.1:

Updated package for Slackware 14.2:

Updated package for Slackware x86_64 14.2:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 14.0 package:
9bb8475057d8a2608b2fd12c0a1cbd21 libX11-1.6.6-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
58161eb995afd54e46c54ac7f8514863 libX11-1.6.6-x86_64-1_slack14.0.txz

Slackware 14.1 package:
12b07f273428650137f8f1ed7e8a47ee libX11-1.6.6-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
9e3744bcdbeb040bf74e1cf60e65a6e3 libX11-1.6.6-x86_64-1_slack14.1.txz

Slackware 14.2 package:
e8dce4b7c0084e08cf5e98b01623e96d libX11-1.6.6-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
0066b709becabab5661427863f9cbc37 libX11-1.6.6-x86_64-1_slack14.2.txz

Slackware -current package:
6ec3f2b5f2f314f5e9360e54864c70e5 x/libX11-1.6.6-i586-1.txz

Slackware x86_64 -current package:
44e4bd7fd0842ff5f980d812828e78e9 x/libX11-1.6.6-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg libX11-1.6.6-i586-1_slack14.2.txz


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