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USN-3877-1: LibVNCServer vulnerabilities

31 January 2019

Several security issues were fixed in LibVNCServer.




It was discovered that LibVNCServer incorrectly handled certain operations.
A remote attacker able to connect to applications using LibVNCServer could
possibly use this issue to obtain sensitive information, cause a denial of
service, or execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to restart LibVNCServer
applications to make all the necessary changes.

Related notices

  • USN-4547-1: italc, libitalccore, italc-client, italc-master
  • USN-4587-1: italc-master, italc, italc-client, italc-management-console, libitalccore
  • USN-4547-2: ssvnc