I've created x11vnc package adding the patches from https://github.com/LibVNC/x11vnc/pull/25 and works fine. I'm attaching debdiff.
** Patch added: "x11vnc.debdiff" https://bugs.launchpad.net/ubuntu/+source/x11vnc/+bug/1686084/+attachment/4917270/+files/x11vnc.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686084 Title: x11vnc on zesty terminates with **stack smashing detected** error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/x11vnc/+bug/1686084/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs