Adobe Acrobat is a program for creating and viewing portable document
format (PDF) files. Adobe Reader is designed to only view and print PDFs.
Both Adobe Acrobat and Adobe Reader have a vulnerability which can be
triggered by a specially crafted PDF file. This vulnerability is being
exploited actively in the wild. Successful exploitation could allow a
hacker access to your computer.
The first level of protections is not opening documents from unknown
sources. However, note that PDF documents might be opened automatically
without the consent of the user by browsers.
To prevent PDF documents from automatically being opened in a web
browser, do the following:
The vendor plans to release the updates for Acrobat 9 and Reader 9 by
March 11 and for the earlier versions by March 18.
For details on this vulnerability, see Abobe's announcement:
The following link provides good configuration practices for web
browsers with details for Firefox and Internet Exployer:
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Submitted: Friday, February 27, 2009 - 3:00pm