libvncserver.so is vulnerable to denial of service (DoS). The vulnerability exists through a NULL pointer dereference in libvncserver/rfbregion.c
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lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
github.com/LibVNC/libvncserver/commit/38e98ee61d74f5f5ab4aa4c77146faad1962d6d0
github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
lists.debian.org/debian-lts-announce/2020/06/msg00035.html
lists.debian.org/debian-lts-announce/2020/08/msg00045.html
usn.ubuntu.com/4434-1/
usn.ubuntu.com/4573-1/