Atlassian JIRA before 5.0.1; Confluence before 3.5.16 4.0 before 4.0.7 and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8 2.6 before 2.6.8 and 2.7 before 2.7.12; Bamboo before 3.3.4 and 3.4.x before 3.4.5; and Crowd before 2.0.9 2.1 before 2.1.2 2.2 before 2.2.9 2.3 before 2.3.7 and 2.4 before 2.4.1 do not properly restrict the capabilities of third-party XML parsers which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.