RHSA-2025:13998HighCVSS 7.8

Red Hat Security Advisory: tigervnc security update

Published
August 18, 2025
Last Modified
August 6, 2026

🔗 CVE IDs covered (1)

CVE-2023-6377 →

📋 Description

CVE-2023-6377 — xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions

🎯 Affected products17

  • Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)
  • tigervnc-0:1.1.0-25.el6_10.14.i686 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-0:1.1.0-25.el6_10.14.s390x as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-0:1.1.0-25.el6_10.14.src as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-0:1.1.0-25.el6_10.14.x86_64 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-debuginfo-0:1.1.0-25.el6_10.14.i686 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-debuginfo-0:1.1.0-25.el6_10.14.i686 as a component of Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)
  • tigervnc-debuginfo-0:1.1.0-25.el6_10.14.s390x as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-debuginfo-0:1.1.0-25.el6_10.14.x86_64 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-debuginfo-0:1.1.0-25.el6_10.14.x86_64 as a component of Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)
  • tigervnc-server-0:1.1.0-25.el6_10.14.i686 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-server-0:1.1.0-25.el6_10.14.s390x as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-server-0:1.1.0-25.el6_10.14.x86_64 as a component of Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)
  • tigervnc-server-applet-0:1.1.0-25.el6_10.14.noarch as a component of Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)
  • tigervnc-server-module-0:1.1.0-25.el6_10.14.i686 as a component of Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)
  • tigervnc-server-module-0:1.1.0-25.el6_10.14.x86_64 as a component of Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (4)