A certain ActiveX control in RealNetworks RealPlayer 11 allows remote attackers to cause a denial of service (application crash) via a malformed .au file that triggers a divide-by-zero error. NOTE: this might be related to CVE-2007-4904.
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.