USN-2901-1: xdelta3 vulnerability

17 February 2016

xdelta3 vulnerability

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

  • Ubuntu 15.10
  • Ubuntu 14.04 LTS


xdelta3 could be made to crash or run programs if it opened a specially crafted file.

Software Description

  • xdelta3 - Diff utility which works with binary files


It was discovered that xdelta3 incorrectly handled certain files. If a user or automated system were tricked into processing a specially-crafted file, a remote attacker could use this issue to cause xdelta3 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 15.10
xdelta3 - 3.0.8-dfsg-1ubuntu0.15.10.2
Ubuntu 14.04 LTS
xdelta3 - 3.0.7-dfsg-2ubuntu0.2

To update your system, please follow these instructions:

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