[Security Advisory] ALSA-2023:2786: wayland security, bug fix, and enhancement update (Moderate)
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AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2023-05-19
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 AlmaLinux Release Notes linked from the References section.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2023-2786.html
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Kind regards, AlmaLinux Team
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