Adobe Reader allows users to view and print documents in Portable DocumentFormat (PDF).This update fixes two vulnerabilities in Adobe Reader. Thesevulnerabilities are detailed on the Adobe security page APSB10-28, listedin the References section. A specially-crafted PDF file could cause AdobeReader to crash or, potentially, execute arbitrary code as the user runningAdobe Reader when opened. (CVE-2010-3654, CVE-2010-4091)All Adobe Reader users should install these updated packages. They containAdobe Reader version 9.4.1, which is not vulnerable to these issues. Allrunning instances of Adobe Reader must be restarted for the update to takeeffect.