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USN-2789-1: XScreenSaver vulnerability

3 November 2015

The system could be made to expose sensitive information.




It was discovered that XScreenSaver incorrectly handled unplugging an
external monitor. An attacker with physical access could use this flaw to
gain access to a locked session.

Update instructions

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

Ubuntu 12.04

After a standard system update you need to restart your session to make
all the necessary changes.