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.