The streaming XML parser in Apache CXF 2.5.x before 2.5.10, 2.6.x before 2.6.7, and 2.7.x before 2.7.4 allows remote attackers to cause a denial of service (CPU and memory consumption) via crafted XML with a large number of (1) elements, (2) attributes, (3) nested constructs, and possibly other vectors.
https://cxf.apache.org/security-advisories.data/CVE-2013-2160.txt.asc
https://bugzilla.redhat.com/show_bug.cgi?id=929197
http://rhn.redhat.com/errata/RHSA-2013-1437.html
http://rhn.redhat.com/errata/RHSA-2013-1028.html