CentOS Errata and Security Advisory 2008:1023
https://rhn.redhat.com/errata/RHSA-2008-1023.html
The following updated files have been uploaded and are currently syncing to the mirrors:
i386: finch-2.5.2-6.el4.i386.rpm finch-devel-2.5.2-6.el4.i386.rpm libpurple-2.5.2-6.el4.i386.rpm libpurple-devel-2.5.2-6.el4.i386.rpm libpurple-perl-2.5.2-6.el4.i386.rpm libpurple-tcl-2.5.2-6.el4.i386.rpm pidgin-2.5.2-6.el4.i386.rpm pidgin-devel-2.5.2-6.el4.i386.rpm pidgin-perl-2.5.2-6.el4.i386.rpm
src: pidgin-2.5.2-6.el4.src.rpm