Adobe has released security updates for Reader and Acrobat addressing eight vulnerabilities in both the Windows and Mac versions. The affected versions are Reader and Acrobat X 10.1.11 and earlier and Reader and Acrobat XI 11.0.08 for Windows and Mac.
The updates were originally scheduled to be released a week ago, but were delayed due to problems in testing.
The new versions are Reader and Acrobat X 10.1.12 and Reader and Acrobat XI 11.0.09 for Windows and Mac. Individual users may apply the updates using the "Check for Updates" option on the Help menu. The new versions may also be downloaded using these links:
Several of the vulnerabilities are critical and could result in the attacker taking over the system in the context of the user if the user opens a malicious PDF.