Ubuntu
gnome-screensaver package

  1. Bug #394691
  2. Comment #4

Comment 4 for bug 394691

Revision history for this message
LimCore (limcore) wrote : Re: Security hole in screensaver! Exposes screen/desktop image even if screen is LOCKED. nvidia, intel gfx; Old bug.

This happens still;

One case to trigger it, is for first play some fullscreen game that switches resolution.

Then also I use VT7, -8, -9 (several X sessions).

In such use case, around 1 in 10 uses, the bug appears.