RHSA-2024:0016HighCVSS 7.8

Red Hat Security Advisory: tigervnc security update

Published
January 2, 2024
Last Modified
August 6, 2026

🔗 CVE IDs covered (2)

CVE-2023-6478 →CVE-2023-6377 →

📋 Description

CVE-2023-6377 — xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions CVE-2023-6478 — xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty

🎯 Affected products69

  • Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.src as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.src as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.src as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debuginfo-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-debugsource-0:1.11.0-8.el8_4.5.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-icons-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-icons-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-icons-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • tigervnc-license-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • tigervnc-license-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream E4S (v.8.4)
  • tigervnc-license-0:1.11.0-8.el8_4.5.noarch as a component of Red Hat Enterprise Linux AppStream TUS (v.8.4)
  • +39 more not shown

✅ 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 (5)