I am using Ubuntu 14.04 LTS. When I open a site which requires flash plugin (e.g. Youtube), Firefox says This plugin is vulnerable and should be updated.
However if I click Check for updates... there is no update at all. This is what the update site listed:
- Shockwave Flash 11.2 r202 (status up to date 11.2.202.424)
- Java(TM) Plug-in 11.25.2 (status up to date 11.25.2)
So what should I do?