As a workaround, I found that adding "--noxrecord" to the options avoids the bug.
- Bug#859213: x11vnc: stack smashing detected: x11vnc terminat... Tim
- Bug#859213: x11vnc: stack smashing detected: x11vnc ter... Nick Holloway
As a workaround, I found that adding "--noxrecord" to the options avoids the bug.