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Medium RLSA-2022:1917 4 CVEs

Moderate: xorg-x11-server and xorg-x11-server-Xwayland security update

Published May 10, 2022 · Updated Feb 4, 2026

Ecosystem: Rocky Linux

Summary

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

Xwayland is an X server for running X clients under Wayland.

The following packages have been upgraded to a later upstream version: xorg-x11-server-Xwayland (21.1.3). (BZ#2015842)

Security Fix(es):

* xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access (CVE-2021-4008)

* xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access (CVE-2021-4009)

* xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access (CVE-2021-4010)

* xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.

Fixed packages 2

ReleasePackageFixed in
Rocky Linux · 8 xorg-x11-server 0:1.20.11-5.el8
Rocky Linux · 8 xorg-x11-server-Xwayland 0:21.1.3-2.el8

Vulnerabilities 4

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2015842
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2026059
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2026072
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2026073
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2026074
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2046329