On Dec14 iDefense published flaws in Acroread 5.0.9 on Unix which could allow a malicious pdf document the ability to execute arbitrary code. 5.0.10 is meant to be fixed. http://www.idefense.com/application/poi/display?id=161&type=vulnerabilities
We just did a 5.10 package for RHEL4, I'll rebuild that for RHEL3.
Errata in progress.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2004-674.html