CentOS Errata and Security Advisory 2009:1232
https://rhn.redhat.com/errata/RHSA-2009-1232.html
The following updated files have been uploaded and are currently syncing to the mirrors:
i386: gnutls-1.0.20-4.el4_8.3.i386.rpm gnutls-devel-1.0.20-4.el4_8.3.i386.rpm
src: gnutls-1.0.20-4.el4_8.3.src.rpm