The new versions of Adobe Reader X and Acrobat X are 10.1.3, and for users who are not using Reader X or Acrobat X, Adobe has released versions 9.5.1.
Users can check for updates in the programs, by choosing Help | [b]Check for Updates[/u]. Updated Adobe Reader is available from http://get.adobe.com/reader/
More detail: Security updates available for Adobe Reader and Acrobat
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