critical9.8
CVE-2021-42785
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate pa…
Impact
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Tightvnc | Tightvnc | through 2.8.59 |