Unspecified vulnerability in the Java Runtime Environment (JRE) in Oracle Java SE and Java for Business 6 Update 23, and, and earlier allows remote attackers to affect availability via unknown vectors related to JAXP and unspecified APIs.  NOTE: the previous information was obtained from the February 2011 CPU.  Oracle has not commented on claims from a downstream vendor that this issue is related to "Features set on SchemaFactory not inherited by Validator."