CoolType.dll in Adobe Reader and Acrobat 10.x before 10.1.13 and 11.x before 11.0.10 on Windows and 10.x through 10.1.13 and 11.x through 11.0.10 on OS X allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted PDF document.