USN-3026-2: libusbmuxd vulnerability

5 July 2016

libusbmuxd vulnerability

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

  • Ubuntu 16.04 LTS
  • Ubuntu 15.10


libusbmuxd would allow unintended access to devices over the network.

Software Description

  • libusbmuxd - USB multiplexor daemon for iPhone and iPod Touch devices


It was discovered that libusbmuxd incorrectly handled socket permissions. A remote attacker could use this issue to access services on iOS devices, contrary to expectations.

Update instructions

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

Ubuntu 16.04 LTS
libusbmuxd4 - 1.0.10-2ubuntu0.1
Ubuntu 15.10
libusbmuxd2 - 1.0.9-1ubuntu0.1

To update your system, please follow these instructions:

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