USN-333-1: libwmf vulnerability

9 August 2006

libwmf vulnerability

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

  • Ubuntu 6.06 LTS
  • Ubuntu 5.10
  • Ubuntu 5.04

Software Description


An integer overflow was found in the handling of the MaxRecordSize field in the WMF header parser. By tricking a user into opening a specially crafted WMF image file with an application that uses this library, an attacker could exploit this to execute arbitrary code with the user’s privileges.

Update instructions

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

Ubuntu 6.06 LTS
libwmf0.2-7 -
Ubuntu 5.10
libwmf0.2-7 -
Ubuntu 5.04
libwmf0.2-7 - 0.2.8-1.1ubuntu0.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the necessary changes.