CVE-2013-3860
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability."
Date published : 2013-10-09
http://www.us-cert.gov/ncas/alerts/TA13-288A
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-082
