USN-2780-1: MiniUPnP vulnerability

20 October 2015

miniupnpc vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


An application using the MiniUPnP library could be made to crash or run programs as your login if it received specially crafted network traffic.

Software Description

  • miniupnpc - UPnP IGD client lightweight library


Aleksandar Nikolic discovered a buffer overflow vulnerability in the XML parser functionality of the MiniUPnP library. A remote attacker could use this to cause a denial of service (application crash) or possibly execute arbitrary code with privileges of the user running an application that uses the MiniUPnP library.

Update instructions

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

Ubuntu 15.04
libminiupnpc10 - 1.9.20140610-2ubuntu1.1
Ubuntu 14.04 LTS
libminiupnpc8 - 1.6-3ubuntu2.14.04.2
Ubuntu 12.04 LTS
libminiupnpc8 - 1.6-3ubuntu1.2

To update your system, please follow these instructions:

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