From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] tigervnc (SSA:2025-056-02)
Date: Tue, 25 Feb 2025 14:32:55 -0800 (PST)





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[slackware-security] tigervnc (SSA:2025-056-02)

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


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
extra/tigervnc/tigervnc-1.12.0-i586-8_slack15.0.txz: Rebuilt.
Recompiled against xorg-server-1.20.14, including patches for
security issues:
Use-after-free of the root cursor.
Buffer overflow in XkbVModMaskText().
Heap overflow in XkbWriteKeySyms().
Buffer overflow in XkbChangeTypesOfKey().
Out-of-bounds write in CreatePointerBarrierClient().
Use of uninitialized pointer in compRedirectWindow().
Use-after-free in PlayReleasedEvents().
Use-after-free in SyncInitTrigger().
Thanks to Jan-Niklas Sohn and the Trend Micro Zero Day Initiative.
For more information, see:
https://lists.x.org/archives/xorg-announce/2025-February/003584.html
https://www.cve.org/CVERecord?id=CVE-2025-26594
https://www.cve.org/CVERecord?id=CVE-2025-26595
https://www.cve.org/CVERecord?id=CVE-2025-26596
https://www.cve.org/CVERecord?id=CVE-2025-26597
https://www.cve.org/CVERecord?id=CVE-2025-26598
https://www.cve.org/CVERecord?id=CVE-2025-26599
https://www.cve.org/CVERecord?id=CVE-2025-26600
https://www.cve.org/CVERecord?id=CVE-2025-26601
(* 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/extra/tigervnc/tigervnc-1.12.0-i586-8_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/extra/tigervnc/tigervnc-1.12.0-x86_64-8_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/extra/tigervnc/tigervnc-1.15.0-i686-2.txz

Updated packages for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/extra/tigervnc/tigervnc-1.15.0-x86_64-2.txz


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

Slackware 15.0 package:
dd57484551753bc4761ca907fd0e63d9 tigervnc-1.12.0-i586-8_slack15.0.txz

Slackware x86_64 15.0 package:
035f5f7e9b1ab41b50475cc1cea45026 tigervnc-1.12.0-x86_64-8_slack15.0.txz

Slackware -current package:
14983373c208e9fc21f2cfbd25906916 tigervnc-1.15.0-i686-2.txz

Slackware x86_64 -current package:
2d203089e6176209ac61fc5a81f89547 tigervnc-1.15.0-x86_64-2.txz


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

Upgrade the package as root:
# upgradepkg tigervnc-1.12.0-i586-8_slack15.0.txz


+-----+

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

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