Adobe Reader allows users to view and print documents in Portable DocumentFormat (PDF).This update fixes several vulnerabilities in Adobe Reader. Thesevulnerabilities are summarized on the Adobe Security Advisory APSB10-02page listed in the References section. A specially-crafted PDF file couldcause Adobe Reader to crash or, potentially, execute arbitrary code as theuser running Adobe Reader when opened. (CVE-2009-4324, CVE-2009-3953,CVE-2009-3954, CVE-2009-3955, CVE-2009-3959, CVE-2009-3956)This update also fixes the following bugs:Adobe have discontinued support for Adobe Reader 8 for Linux. All users ofAdobe Reader are advised to install these updated packages, which containAdobe Reader version 9.3, which is not vulnerable to these issues and fixesthese bugs. All running instances of Adobe Reader must be restarted for theupdate to take effect.