The TM Software Tempo plugin before 6.4.3.1, 6.5.x before 6.5.0.2, and 7.x before 7.0.3 for Atlassian JIRA does not properly restrict the capabilities of third-party XML parsers, which allows remote authenticated users to cause a denial of service (resource consumption) via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/75697
http://www.securityfocus.com/bid/53595
http://secunia.com/advisories/49166
http://confluence.atlassian.com/display/JIRA/JIRA+Security+Advisory+2012-05-17