1. Summary

Critical vulnerabilities have been identified in Adobe Reader 9.1.3 and Acrobat 9.1.3, Adobe Reader 8.1.6 and Acrobat 8.1.6 for Windows, Macintosh and UNIX, and Adobe Reader 7.1.3 and Acrobat 7.1.3 for Windows and Macintosh. These vulnerabilities could cause the application to crash and could potentially allow an attacker to take control of the affected system.

2. Affected Software Versions

Adobe Reader 9.1.3 and earlier versions for Windows, Macintosh, and UNIX
Adobe Acrobat 9.1.3 and earlier versions for Windows and Macintosh

3. How to get security update

Please get security update from below link.

-  http://www.adobe.com/support/security/bulletins/apsb09-15.html

4. Link

 - http://www.adobe.com/support/security/bulletins/apsb09-15.html
 - http://blogs.adobe.com/psirt/2009/10/adobe_reader_and_acrobat_issue_1.html