Update February 14th, 2013: The vulnerability claims were confirmed by Symantec and have been addressed. For more information please see this Security Advisory . For additional information, please see this Knowledge Base article.
In the interest of transparency, incomplete information was posted on this page on Friday, January 3, 2013. As of that date, Symantec was made aware of claims about arbitrary code vulnerabilities affecting its PGP Whole Disk Encryption product. Symantec’s policy is to investigate these claims thoroughly before providing information. Investigation of these claims is underway, and we will post additional accurate information as soon as we are able.