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USN-3203-1: gtk-vnc vulnerabilities

20 February 2017

gtk-vnc could be made to crash or run programs if it received specially crafted network traffic.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

It was discovered that gtk-vnc incorrectly validated certain data. A
malicious server could use this issue to cause gtk-vnc to crash, resulting
in a denial of service, or possibly execute arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.