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Medium ELSA-2026-95281 1 CVE

Moderate: xorg-x11-server-Xwayland security update (Oracle Linux 8)

Published Nov 4, 2026 · Updated Nov 4, 2026

Ecosystem: Oracle Linux

Summary

[21.1.3-20.5]
- Add missing antecedent for CVE-2026-93520 fix
Resolves: https://redhat.atlassian.net/browse/RHEL-299853

Fixed packages 1

ReleasePackageFixed in
Oracle Linux · 8 xorg-x11-server-Xwayland 0:21.1.3-20.el8_10.5

Vulnerabilities 1

  • High 7.8
    CVE-2026-93520

    X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write

    A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server c…

    X.Org xwayland xorg-x11-server xorg-server Debian Ubuntu Azure Linux Alpine