To run native components of this product, including installer, the following package, which is not part of the standard RedHat Enterprise Linux 3.0 distribution, should be installed: compat-libstdc++-7.3-2.96.118.i386.rpm
The package can be downloaded from http://rpm.pbone.net/index.php3/stat/4/idpl/843376/com/compat-libstdc++-7.3-2.96.118.i386.rpm.html