An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.Referenceshttps://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13https://github.com/LibVNC/libvncserver/commit/38e98ee61d74f5f5ab4aa4c77146faad1962d6d0https://lists.debian.org/debian-lts-announce/2020/06/msg00035.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.htmlhttps://usn.ubuntu.com/4434-1/https://lists.debian.org/debian-lts-announce/2020/08/msg00045.htmlhttps://usn.ubuntu.com/4573-1/https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
