Adobe Reader allows users to view and print documents in Portable DocumentFormat (PDF).This update fixes multiple vulnerabilities in Adobe Reader. Thesevulnerabilities are detailed on the Adobe security page APSB10-21, listedin the References section.A specially-crafted PDF file could cause Adobe Reader to crash or,potentially, execute arbitrary code as the user running Adobe Reader whenopened. (CVE-2010-2883, CVE-2010-2884, CVE-2010-2889, CVE-2010-2890,CVE-2010-3619, CVE-2010-3620, CVE-2010-3621, CVE-2010-3622, CVE-2010-3625,CVE-2010-3626, CVE-2010-3627, CVE-2010-3628, CVE-2010-3629, CVE-2010-3630,CVE-2010-3632, CVE-2010-3658)An insecure relative RPATH (runtime library search path) set in some AdobeReader libraries could allow a local attacker, who is able to convinceanother user to run Adobe Reader in an attacker-controlled directory, toexecute arbitrary code with the privileges of the victim. (CVE-2010-2887)A specially-crafted PDF file could cause Adobe Reader to crash when opened.(CVE-2010-3656, CVE-2010-3657)All Adobe Reader users should install these updated packages. They containAdobe Reader version 9.4, which is not vulnerable to these issues. Allrunning instances of Adobe Reader must be restarted for the update to takeeffect.