USN-2869-1: OpenSSH vulnerabilities

14 January 2016

OpenSSH could be made to expose sensitive information over the network.



  • openssh - secure shell (SSH) for secure access to remote machines


It was discovered that the OpenSSH client experimental support for resuming
connections contained multiple security issues. A malicious server could
use this issue to leak client memory to the server, including private
client user keys.

Update instructions

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

Ubuntu 15.10
Ubuntu 15.04
Ubuntu 14.04
Ubuntu 12.04

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