CentOS Errata and Security Advisory 2008:0649
https://rhn.redhat.com/errata/RHSA-2008-0649.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/libxslt-1.1.11-1.c4.2.s390.rpm updates/s390/RPMS/libxslt-devel-1.1.11-1.c4.2.s390.rpm updates/s390/RPMS/libxslt-python-1.1.11-1.c4.2.s390.rpm
s390x: updates/s390x/RPMS/libxslt-1.1.11-1.c4.2.s390x.rpm updates/s390x/RPMS/libxslt-devel-1.1.11-1.c4.2.s390x.rpm updates/s390x/RPMS/libxslt-python-1.1.11-1.c4.2.s390x.rpm