Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 on Unix, when Debug mode is enabled, allow attackers to execute arbitrary code via unspecified vectors, related to a "format bug." Per: http://www.adobe.com/support/security/bulletins/apsb09-15.html
This update resolves a Unix-only format bug when running in Debug mode that could lead to arbitrary code execution Per: http://www.adobe.com/support/security/bulletins/apsb09-15.html
Adobe Reader
Adobe Reader users on Windows can find the appropriate update here: http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows.
Adobe Reader users on Macintosh can find the appropriate update here: http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Macintosh.
Adobe Reader users on UNIX can find the appropriate update here: http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Unix.
Acrobat
Acrobat Standard and Pro users on Windows can find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows.
Acrobat Pro Extended users on Windows can find the appropriate update here: http://www.adobe.com/support/downloads/product.jsp?product=158&platform=Windows
Acrobat 3D users on Windows can find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=112&platform=Windows.
Acrobat Pro users on Macintosh can find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Macintosh.