Comment # 18 on bug 1199477 from WEI GAO

(In reply to Joan Torres from comment #14)
> After working on this I found out it is a bug on vncviewer side.
> 
> I could reproduce it on older than 1.11.0 versions of vncviewer and only
> when connecting to Xvnc sessions of version 1.12.0.
> 
> It happens due to bad handling on TLS stream buffers. A fix was already
> upstream so I have submitted the fix for SLE/Leap:
> https://build.suse.de/request/show/274544
> https://build.suse.de/request/show/274545
> 
> This bug has appeared on an old Tumbleweed that has an old vncviewer, but
> currently Tumbleweed has vncviewer version 1.12 so it has the fix already.
> 
> Closing as fixed! Thank you.

After upgrade to TigerVNC Viewer 64-bit v1.12.0, you will encounter
authentication error when try to connect vncview, see attachment
vncview-authentiaction-error