The W3C XML Encryption Standard, as used in the JBoss Web Services (JBossWS) component in JBoss Enterprise Portal Platform before 5.2.2 and other products, when using block ciphers in cipher-block chaining (CBC) mode, allows remote attackers to obtain plaintext data via a chosen-ciphertext attack on SOAP responses, aka "character encoding pattern attack."
https://exchange.xforce.ibmcloud.com/vulnerabilities/79031
https://bugzilla.redhat.com/show_bug.cgi?id=681916
http://www.securityfocus.com/bid/55770
http://www.csoonline.com/article/692366/widely-used-encryption-standard-is-insecure-say-experts
http://secunia.com/advisories/52054
http://secunia.com/advisories/51984
http://rhn.redhat.com/errata/RHSA-2013-1437.html
http://rhn.redhat.com/errata/RHSA-2013-0261.html
http://rhn.redhat.com/errata/RHSA-2013-0221.html
http://rhn.redhat.com/errata/RHSA-2013-0198.html
http://rhn.redhat.com/errata/RHSA-2013-0197.html
http://rhn.redhat.com/errata/RHSA-2013-0196.html
http://rhn.redhat.com/errata/RHSA-2013-0195.html
http://rhn.redhat.com/errata/RHSA-2013-0194.html
http://rhn.redhat.com/errata/RHSA-2013-0193.html
http://rhn.redhat.com/errata/RHSA-2013-0192.html
http://rhn.redhat.com/errata/RHSA-2013-0191.html
http://rhn.redhat.com/errata/RHSA-2012-1344.html
http://rhn.redhat.com/errata/RHSA-2012-1330.html
http://rhn.redhat.com/errata/RHSA-2012-1301.html
http://dl.acm.org/citation.cfm?id=2046756&dl=ACM&coll=DL
http://cxf.apache.org/note-on-cve-2011-1096.html
http://coheigea.blogspot.com/2012/04/note-on-cve-2011-1096.html