Buffer Overflow Vulnerability in Adobe Acrobat
Details: Malicious content inserted into a file, such as a document, could trigger a buffer overflow if the file is distilled to PDF with Adobe Acrobat. A buffer overflow can cause Acrobat to crash and can result in malicious code execution.
Full Details, and details on patch, [url="http://www.adobe.com/support/security/bulletins/apsb06-09.html]Here[/url]
(Wouldnt normally post this, but everyone has PDF stuff - and its not often that Adobe Reader presents security flaws)