MongoDB before 2.4.13 and 2.6.x before 2.6.8 allows remote attackers to cause a denial of service via a crafted UTF-8 string in a BSON request.
https://security.gentoo.org/glsa/201611-13
https://jira.mongodb.org/browse/SERVER-17264
http://www.splunk.com/view/SP-CAAAPC3
http://www.securitytracker.com/id/1034466
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153690.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152493.html