CVE-2011-1755
jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Date published : 2011-06-20
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html