Adobe Reader allows users to view and print documents in Portable Document Format (PDF).
This update fixes several vulnerabilities in Adobe Reader. These vulnerabilities are summarized on the Adobe Security Advisory APSB10-02 page listed in 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 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:
the acroread process continued to run even after closing a PDF file. If multiple PDF files were opened and then closed, the acroread processes continued to run and consume system resources (up to 100% CPU usage). With this update, the acroread process correctly exits, which resolves this issue. (BZ#473217)
the PPKLite.api plug-in was missing, causing Adobe Reader to crash when attempting to open signed PDF files. For such files, if an immediate crash was not observed, clicking on the Signature Panel could trigger one. With this update, the PPKLite.api plug-in is included, which resolves this issue. (BZ#472975)
Adobe Reader has been upgraded to version 9.3. (BZ#497957)
Adobe have discontinued support for Adobe Reader 8 for Linux. All users of Adobe Reader are advised to install these updated packages, which contain Adobe Reader version 9.3, which is not vulnerable to these issues and fixes these bugs. All running instances of Adobe Reader must be restarted for the update to take effect.