View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2019-3820 not yet assigned priority: Debian including 1 source packages (gnome-shell), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.