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.
Buffer overflow in Adobe Reader 9.0 and earlier, and Acrobat 9.0 and earlier, allows remote attackers to execute arbitrary code via a crafted PDF document, related to a non-JavaScript function call and possibly an embedded JBIG2 image stream, as exploited in the wild in February 2009 by Trojan.Pidief.E.