A flaw was found in the way mozilla handles MultiByte charset (e.g. japanese sites). This could cause an XSS attack on the users using the site. Reference: https://bugzilla.mozilla.org/show_bug.cgi?id=690225
External References: http://www.mozilla.org/security/announce/2011/mfsa2011-47.html
This issue has been addressed in following products: Red Hat Enterprise Linux 4 Red Hat Enterprise Linux 5 Via RHSA-2011:1438 https://rhn.redhat.com/errata/RHSA-2011-1438.html
This issue has been addressed in following products: Red Hat Enterprise Linux 4 Via RHSA-2011:1440 https://rhn.redhat.com/errata/RHSA-2011-1440.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2011:1439 https://rhn.redhat.com/errata/RHSA-2011-1439.html
This issue has been addressed in following products: Red Hat Enterprise Linux 4 Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Via RHSA-2011:1437 https://rhn.redhat.com/errata/RHSA-2011-1437.html