Not vulnerable. This issue did not affect versions of ghostscript as shipped with Red Hat Enterprise Linux 2.1, 3, 4 or 5 as they do not include a bundled JasPer library.
Red Hat Security Errata
|Red Hat Enterprise Linux 5 (netpbm)||RHSA-2009:0012||2009-02-11|
|Red Hat Enterprise Linux 4 (netpbm)||RHSA-2009:0012||2009-02-11|
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