RedHat Security Advisory RHSA-2009:1122

The remote host is missing updates announced in advisory RHSA-2009:1122. A flaw was found in the way ICU processed certain, invalid byte sequences during Unicode conversion. If an application used ICU to decode malformed, multibyte character data, it may have been possible to bypass certain content protection mechanisms, or display information in a manner misleading to the user. (CVE-2009-0153) All users of icu should upgrade to these updated packages, which contain backported patches to resolve this issue.
Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date