The acroread packages as shipped in Red Hat Enterprise Linux 3 Extras contain security flaws and should not be used. This update has been rated as having critical security impact by the Red Hat Security Response Team.
Adobe Reader allows users to view and print documents in Portable Document Format (PDF). Adobe Reader 8.1.7 is vulnerable to critical security flaws and should no longer be used. 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) Adobe have discontinued support for Adobe Reader 8 for Linux. Adobe Reader 9 for Linux is not compatible with Red Hat Enterprise Linux 3. An alternative PDF file viewer available in Red Hat Enterprise Linux 3 is xpdf. This update removes the acroread packages due to their known security vulnerabilities.