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ALSA-2022:1814 — Low: gnome-shell security and bug fix update

Affected: AlmaLinux:8: gnome-shell

GNOME Shell acts as a compositing manager for the desktop, and displays both application windows and other objects. It provides core interface functions like switching windows, launching applications, and notifications. It takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts.

Security Fix(es):

* gnome-shell: Password from logged-out user may be shown on login screen (CVE-2020-17489)

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.

cnvd-2020-48648

EUVD-2026-43721

fkie_cve-2020-17489

An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)

GHSA-vfpj-rcwj-86vm

gsd-2020-17489

OESA-2021-1152 — gnome-shell security update

Affected: openEuler:20.03-LTS-SP1: gnome-shell

The GNOME Shell redefines user interactions with the GNOME desktop. In particular, it offers new paradigms for launching applications, accessing documents, and organizing open windows in GNOME. Later, it will introduce a new applets eco-system and offer new solutions for other desktop features, such as notifications and contacts management. The GNOME Shell is intended to replace functions handled by the GNOME Panel and by the window manager in previous versions of GNOME. The GNOME Shell has rich visual effects enabled by new graphical technologies. Security Fix(es): An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)(CVE-2020-17489)

openSUSE-SU-2020:1861-1 — Security update for gnome-settings-daemon, gnome-shell

Security update for gnome-settings-daemon, gnome-shell

SUSE-SU-2020:3132-1 — Security update for gnome-settings-daemon, gnome-shell

Security update for gnome-settings-daemon, gnome-shell

UBUNTU-CVE-2020-17489

Affected: Ubuntu:20.04:LTS: gnome-shell