CVE-2015-4278

Cisco Email Security Appliance (ESA) vulnerable to CVE-2015-4278: 8.5.6-106 and 9.5.0-201 allow remote attackers to cause a DoS (per-domain email reception outage) by placing malformed DMARC policy data in DNS TXT records for a domain (Bug ID CSCuv14806). The root cause is malformed DMARC policy ...