Unspecified vulnerability in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to execute arbitrary code via unknown attack vectors related to JBIG2 and "input validation," a different vulnerability than CVE-2009-0193 and CVE-2009-1062.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.