Many security standards require the tracking of users' password history to 
prevent password re-use. In Oracle 11g (11.1.0.6), if a security 
administrator has enabled 11g passwords exclusively then tracking password 
history is broken. This can affect compliance. This was addressed by Oracle 
in their April 2009 Critical Patch Update and maps to the currently 
unspecified vulnerability at 
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-0988 
Cheers,
David Litchfield
NGSSoftware Ltd
http://www.ngssoftware.com/ 

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