Adobe Reader and Acrobat 9.x before 9.3.3, and 8.x before 8.2.3 on Windows and Mac OS X, allow attackers to execute arbitrary code via unspecified manipulations involving the newclass (0x58) operator and an "invalid pointer vulnerability" that triggers memory corruption, a different vulnerability than CVE-2010-2168 and CVE-2010-2201.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6725
http://www.vupen.com/english/advisories/2010/1636
http://www.securitytracker.com/id?1024159
http://www.securityfocus.com/bid/41232
http://www.securityfocus.com/archive/1/512099
http://www.adobe.com/support/security/bulletins/apsb10-15.html