Article Source Mandriva Linux Security Advisories
Security issues were identified and fixed in firefox 3.0.x:
  Security researcher Juan Pablo Lopez Yacubian reported that an attacker
  could call window.open() on an invalid URL which looks similar to a
  legitimate URL and then use document.write() to place content within
  the new document, appearing to have come from the spoofed location
  (CVE-2009-2654).
  Moxie Marlinspike reported a heap overflow vulnerability in the
  code that handles regular expressions in certificate names. This
  vulnerability could be used to compromise the browser and run arbitrary
  code by presenting a specially crafted certificate to the client
  (CVE-2009-2404)…
                