Skip to content
OpenAdvisories
Medium RLSA-2023:2786 1 CVE

Moderate: wayland security, bug fix, and enhancement update

Published Jun 27, 2026 · Updated Jun 27, 2026

Summary

Wayland is a protocol for a compositor to talk to its clients, as well as a C library implementation of that protocol. The compositor can be a standalone display server running on Linux kernel modesetting and evdev input devices, an X application, or a wayland client itself. The clients can be traditional applications, X servers (rootless or fullscreen) or other display servers.

The following packages have been upgraded to a later upstream version: wayland (1.21.0). (BZ#2137625)

Security Fix(es):

* wayland: libwayland-server wl_shm reference-count overflow (CVE-2021-3782)

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 8.8 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 wayland 0:1.21.0-1.el8

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2002627