USN-399-1: w3m vulnerabilities

Ubuntu Security Notice USN-399-1

2nd 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


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

Update instructions

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

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.