From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] libX11 (SSA:2026-289-01)
Date: Fri, 16 Oct 2026 15:51:18 -0700 (PDT)





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[slackware-security] libX11 (SSA:2026-289-01)

New libX11 packages are available for Slackware 15.0 and -current to
fix security issues.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/libX11-1.8.14-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
ximcp: bound XIM_OPEN_REPLY attribute lengths.
ximcp: bound XIM_REGISTER_TRIGGERKEYS keylist lengths.
lcGenConv: bound byteM_parse_codeset() reads.
xkb: Check the keysym range in _XkbReadKeyActions.
For more information, see:
https://lists.x.org/archives/xorg-announce/2026-October/003753.html
https://www.cve.org/CVERecord?id=CVE-2026-94283
https://www.cve.org/CVERecord?id=CVE-2026-94284
https://www.cve.org/CVERecord?id=CVE-2026-94285
https://www.cve.org/CVERecord?id=CVE-2026-88806
(* 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 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/libX11-1.8.14-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libX11-1.8.14-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/libX11-1.8.14-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/libX11-1.8.14-x86_64-1.txz


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

Slackware 15.0 package:
32cf6922dbf1b1c34a6aea8850a4f6ed libX11-1.8.14-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
0eedc65d94406e77b1bd87a627aae7ea libX11-1.8.14-x86_64-1_slack15.0.txz

Slackware -current package:
df7a1abb4303580e6791fad9a1381e73 x/libX11-1.8.14-i686-1.txz

Slackware x86_64 -current package:
0bd7b266349b1464dd099aab19ee27b4 x/libX11-1.8.14-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg libX11-1.8.14-i586-1_slack15.0.txz


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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