CVE-2023-43090: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.

Affected products

• Fedoraproject Fedora: version 37 only; version 38 only
• Gnome Gnome-Shell: from 43, before 43.9 (fixed in 43.9); from 44, before 44.5 (fixed in 44.5); version 42 only

Published 2023-09-22. Last modified 2026-06-17.