The remote SuSE 11 host is missing one or more security updates.
libxslt received a security update to fix a security issue : - The XSL implementation in libxslt allowed remote attackers to cause a denial of service (crash) via an invalid DTD. (addendum due to incomplete fix for CVE-2012-2825). (CVE-2013-4520)
Apply SAT patch number 8500 / 8501 as appropriate.