AcroRd32.dll in 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 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted image that triggers an incorrect pointer calculation, leading to heap memory corruption, a different vulnerability than CVE-2011-0566 and CVE-2011-0603.