Adobe Reader XI 11.0.18 and lower has been blocked for your protection.
- Why was it blocked?
- Old versions of the Adobe Reader plugin have known vulnerabilities. All users are strongly recommended to check for updates on Adobe's Reader page.
- Who is affected?
- All users who have these versions of the plugin installed.
- What does this mean?
The problematic add-on or plugin will be automatically disabled and no longer usable.When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.