Buffer overflow in the Atlcom.get_atlcom ActiveX control in gp.ocx in Adobe Download Manager, as used in Adobe Reader and Acrobat 8.x before 8.2 and 9.x before 9.3, allows remote attackers to execute arbitrary code via unspecified parameters.
Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to trigger memory corruption and possibly execute arbitrary code via unknown attack vectors related to JBIG2, a different vulnerability than CVE-2009-0193 and CVE-2009-1061.