Stack-based buffer overflow in the getPlus ActiveX control in gp.ocx 1.2.2.50 in NOS Microsystems getPlus Download Manager, as used for the Adobe Reader 8.1 installation process and other downloads, allows remote attackers to execute arbitrary code via unspecified vectors, a different issue than CVE-2008-4817.

The Download Manager in Adobe Acrobat Professional and Reader 8.1.2 and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that calls an AcroJS function with a long string argument, triggering heap corruption.