master.exe in the SNMP Master Agent in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to cause a denial of service (unhandled exception and daemon crash) via a crafted Open-PDU request that triggers incorrect DisplayString processing, a different vulnerability than CVE-2012-1923.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.