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USN-2430-1: OpenVPN vulnerability

2 December 2014

OpenVPN could be made to crash if it received specially crafted network traffic.



  • openvpn - virtual private network software


Dragana Damjanovic discovered that OpenVPN incorrectly handled certain
control channel packets. An authenticated attacker could use this issue to
cause an OpenVPN server to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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