CVE 2009-0928
Heap-based buffer overflow in Adobe Acrobat Reader and Acrobat Professional 7.1.0, 8.1.3, 9.0.0, and other versions allows remote attackers to execute arbitrary code via a PDF file containing a JBIG2 stream with a size inconsistency related to an unspecified table.
See the 
CVE page on Mitre.org
for more details.
