USN-3319-1: libmwaw vulnerability

15 June 2017

libmwaw vulnerability

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

  • Ubuntu 17.04
  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


libmwaw could be made to crash or run programs as your login if it opened a specially crafted file.

Software Description

  • libmwaw - import library for some old Mac text documents


It was discovered that libmwaw incorrectly handled certain malformed document files. If a user or automated system were tricked into opening a specially crafted file, a remote attacker could cause libmwaw to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 17.04
libmwaw-0.3-3 - 0.3.9-1ubuntu0.1
Ubuntu 16.10
libmwaw-0.3-3 - 0.3.8-2ubuntu0.1
Ubuntu 16.04 LTS
libmwaw-0.3-3 - 0.3.7-1ubuntu2.1
Ubuntu 14.04 LTS
libmwaw-0.1-1 - 0.1.11-1ubuntu1.1

To update your system, please follow these instructions:

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