Can RHEL5 use GLIBCXX_3.4.11 or newer?

Few crucial applications are failing to run on RHEL 5 machines because it needs GLIBCXX_3.4.11 and GLIB version greater than 2.7.

[root@localhost lib]# strings /usr/lib/libstdc++.so.6 | grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_FORCE_NEW

[root@localhost lib]# rpm -q gcc
gcc-4.1.2-55.el5

[root@localhost lib]# rpm -qf /usr/lib/libstdc++.so.6
libstdc++-4.1.2-55.el5

[root@localhost lib]# ldd --version
ldd (GNU libc) 2.5

[root@localhost lib]# lsb_release -i -r
Distributor ID: RedHatEnterpriseServer
Release: 5.11