In May of this year, patches were needed to mitigate ongoing PPT threats.
http://technet.microsoft.com/en-us/security/bulletin/ms11-036
http://www.openoffice.org/security/cves/CVE-2010-2935_CVE-2010-2936.html
http://blogs.technet.com/b/mmpc/archive/2009/04/02/new-0-day-exploits-using-powerpoint-files.aspx
A quick look at http://www.adobe.com/support/security/ shows that PDF is not
immune to security issues, and has at least as many bulletins out as
PowerPoint. Complex presentations formats require complex code, and nobody is
perfect.
Just saying, but if we want to ensure that presentations are readable 50 years
from now, and do not embed some kind of malicious code, we might stick to ASCII
text, right?
-- Christian Huitema
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