Dameng DM Database Server allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors related to the SP_DEL_BAK_EXPIRED procedure in wdm_dll.dll, which triggers memory corruption.
https://exchange.xforce.ibmcloud.com/vulnerabilities/59081
http://www.securityfocus.com/archive/1/511559/100/0/threaded