Posadis 0.50.4 through 0.50.8 allows remote attackers to cause a denial of service (crash) via a DNS message without a question section, which triggers null dereference.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/11285http://secunia.com/advisories/8018http://www.securityfocus.com/bid/6799http://www.osvdb.org/3522http://www.posadis.org/advisories/pos_adv_003.txt
