According to Adobe, a malicious BMP, DIB, RLE, or PNG must be opened in Illustrator by the user for an attacker to exploit these potential vulnerabilities.
The updated patch covers Windows-based Reader and Acrobat versions 7, 8 and 9 and the company also released Mac and Unix-based updates for 8.0 and 9.0 for both Reader and Acrobat.
OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.