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Slackware 15.0 tigervnc Vital Security Patch SSA-2026-109-03

slackware
Calendar Grey April 18, 2026
Dist Slackware Esm H88
Tigervnc security update for Slackware 15.0 addresses critical issues like buffer overflows and integer underflows.
New tigervnc packages are available for Slackware 15.0 and -current to fix security issues.

Summary

Here are the details from the Slackware 15.0 ChangeLog: extra/tigervnc/tigervnc-1.16.2-i586-2_slack15.0.txz: Rebuilt. Rebuilt against xorg-server-1.20.14 patched to fix security issues: XKB Integer Underflow in XkbSetCompatMap(). XKB Out-of-bounds Read in CheckSetGeom(). XSYNC Use-after-free in miSyncTriggerFence(). XKB Out-of-bounds read in CheckModifierMap(). XKB Buffer overflow in CheckKeyTypes(). For more information, see: https://lists.x.org/archives/xorg-devel/2026-April/059446.html https://www.cve.org/CVERecord?id=CVE-2026-33999 https://www.cve.org/CVERecord?id=CVE-2026-34000 https://www.cve.org/CVERecord?id=CVE-2026-34001 https://www.cve.org/CVERecord?id=CVE-2026-34002 https://www.cve.org/CVERecord?id=CVE-2026-34003 (* Security fix *)

Topics%20covered

Topics Covered

security advisory buffer overflow slackware out-of-bounds read integer underflow tigervnc

Where Find 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-1.16.2-i586-2_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/extra/tigervnc/tigervnc-1.16.2-x86_64-2_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/extra/tigervnc/tigervnc-1.16.2-i686-2.txz
Updated packages for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/extra/tigervnc/tigervnc-1.16.2-x86_64-2.txz

MD5 Signatures

Slackware 15.0 package: 8b2682a2a5b5f53c0010e376c92684f2 tigervnc-1.16.2-i586-2_slack15.0.txz
Slackware x86_64 15.0 package: 11f21182cad730ef64c9f5275074cde2 tigervnc-1.16.2-x86_64-2_slack15.0.txz
Slackware -current package: 697027c266f16e99170e0fbc258a1e48 tigervnc-1.16.2-i686-2.txz
Slackware x86_64 -current package: 15118c571f7e0543397923b8fccb2205 tigervnc-1.16.2-x86_64-2.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory buffer overflow slackware out-of-bounds read integer underflow tigervnc

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg tigervnc-1.16.2-i586-2_slack15.0.txz

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