WebContainer.exe 1.0.0.336 and earlier in SLMail Pro 6.3.1.0 and earlier allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a long URI in HTTP requests to TCP port 801. NOTE: some of these details are obtained from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41531
http://www.vupen.com/english/advisories/2008/1039/references
http://www.securityfocus.com/bid/28505