Critical Google Chrome hole plugged in 24 hours 14 years ago
Vupen sells 0day exploits so that they can be used to attack people: http://www.vupen.com/english/services/lea-index.php
A patched vulnerability would not be worth nearly as much to them and their customers.
P.S. Vupen sells to ASEAN. ASEAN includes Burma (Myanmar). Burma is not a happy place.