Adobe Reader and Acrobat 10.x before 10.0.1, 9.x before 9.4.2, and 8.x before 8.2.6 on Windows and Mac OS X do not properly validate unspecified input data, which allows attackers to execute arbitrary code via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12535
https://exchange.xforce.ibmcloud.com/vulnerabilities/65291
http://www.vupen.com/english/advisories/2011/0492
http://www.vupen.com/english/advisories/2011/0337
http://www.securitytracker.com/id?1025033
http://www.securityfocus.com/bid/46214
http://www.redhat.com/support/errata/RHSA-2011-0301.html
http://www.adobe.com/support/security/bulletins/apsb11-03.html