USN-399-1: w3m vulnerabilities

3 January 2007

w3m vulnerabilities

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

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10

Software Description


A format string vulnerability was discovered in w3m. If a user were tricked into visiting an HTTPS URL protected by a specially crafted SSL certificate, an attacker could execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 6.10
w3m - 0.5.1-4ubuntu2.6.10
Ubuntu 6.06 LTS
w3m - 0.5.1-4ubuntu2.6.06
Ubuntu 5.10
w3m - 0.5.1-3ubuntu1.1

To update your system, please follow these instructions:

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