USN-333-1: libwmf vulnerability

Ubuntu Security Notice USN-333-1

9th 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


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 version:

Ubuntu 6.06 LTS:
Ubuntu 5.10:
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.