Cybozu Garoon before 4.2.1 allows remote attackers to cause a denial of service.Referenceshttps://support.cybozu.com/ja-jp/article/8983http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000080.htmlhttp://jvn.jp/en/jp/JVN26298347/index.html