libvncserver.so is vulnerable to denial of service (DoS). An attacker can provide malicious data to trigger an application crash due to pointer aliasing issue leading to access Byte-aligned data via uint32_t
pointers in libvncclient/rfbproto.c
.
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
bugzilla.redhat.com/show_bug.cgi?id=1860354
github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d
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/