The Adobe Reader/Acrobat plug-in is either disabled or not installed in Mozilla. You should manually check for both Adobe Reader and Adobe Acrobat and update them if necessary.
Adobe Reader
Launch Adobe Reader.
If you cannot find Adobe Reader using the above step(s), then it is not installed and you are done checking for Adobe Reader.
If you launched Adobe Reader successfully, click the Help menu, and choose About Adobe Reader....
Note the displayed version number.
If the version number does not begin with 15.8, then download and install Adobe Reader DC by visiting Adobe: Download Reader. Then return to this site to complete the update to the latest point release.
If the version number does begin with 15.8, then from the Help menu, choose Check for Updates....
Follow the on screen instructions to finish applying the point release update.
When fully updated, version 15.8.0 should be installed.
Adobe Acrobatundefined
If you cannot find Adobe Acrobat using the above step(s), then it is not installed and you are done checking for Adobe Acrobat.
If you launched Adobe Acrobat successfully, click the Help menu, and choose About Adobe Acrobat....
Note the displayed version number.
If the version number does not begin with 15, 11 or 10, then your Adobe Acrobat version is no longer receiving security updates and should be uninstalled. Please purchase Adobe Acrobat DC from the University Store and upgrade if Adobe Acrobat is still needed.
If the version number does begin with 15, 11 or 10, then from the Help menu, choose Check for Updates....
Follow the on screen instructions to finish applying the point release update.
When fully updated, version 15.8.0, 11.0.12 or 10.1.15 should be installed.
Vulnerability Notification E-Mail Recipients: If the browser version of Java shown above does not match the Java Version details in your notification, you may have outdated Java instance(s) bundled with the Java Development Kit, Eclipse Integrated Development Environment or other software packages. If you are unable to determine which bundled software package includes the outdated Java, please reply to the notification e-mail for help.