A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.
The product divides a value by zero.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libvncserver | Libvncserver_project | 0.9.12 (including) | 0.9.12 (including) |
| Red Hat Enterprise Linux 8 | RedHat | libvncserver-0:0.9.11-17.el8 | * |
| Italc | Ubuntu | bionic | * |
| Italc | Ubuntu | trusty | * |
| Italc | Ubuntu | xenial | * |
| Libvncserver | Ubuntu | bionic | * |
| Libvncserver | Ubuntu | focal | * |
| Libvncserver | Ubuntu | trusty | * |
| Libvncserver | Ubuntu | xenial | * |
| Tightvnc | Ubuntu | bionic | * |
| Tightvnc | Ubuntu | groovy | * |
| Tightvnc | Ubuntu | hirsute | * |
| Tightvnc | Ubuntu | impish | * |
| Tightvnc | Ubuntu | kinetic | * |
| Tightvnc | Ubuntu | lunar | * |
| Tightvnc | Ubuntu | mantic | * |
| Tightvnc | Ubuntu | trusty | * |
| Tightvnc | Ubuntu | xenial | * |
| Veyon | Ubuntu | groovy | * |
| Veyon | Ubuntu | hirsute | * |
| Veyon | Ubuntu | impish | * |
| Veyon | Ubuntu | kinetic | * |
| Veyon | Ubuntu | lunar | * |
| Veyon | Ubuntu | mantic | * |
| Vino | Ubuntu | bionic | * |
| Vino | Ubuntu | devel | * |
| Vino | Ubuntu | focal | * |
| Vino | Ubuntu | groovy | * |
| Vino | Ubuntu | hirsute | * |
| Vino | Ubuntu | impish | * |
| Vino | Ubuntu | jammy | * |
| Vino | Ubuntu | kinetic | * |
| Vino | Ubuntu | lunar | * |
| Vino | Ubuntu | mantic | * |
| Vino | Ubuntu | noble | * |
| Vino | Ubuntu | oracular | * |
| Vino | Ubuntu | trusty | * |
| Vino | Ubuntu | xenial | * |
| X11vnc | Ubuntu | bionic | * |
| X11vnc | Ubuntu | groovy | * |
| X11vnc | Ubuntu | hirsute | * |
| X11vnc | Ubuntu | impish | * |
| X11vnc | Ubuntu | kinetic | * |
| X11vnc | Ubuntu | lunar | * |
| X11vnc | Ubuntu | mantic | * |
| X11vnc | Ubuntu | trusty | * |
| X11vnc | Ubuntu | xenial | * |