G DATA AntiVirus/InternetSecurity/TotalCare 2008 all suffer from a memory corruption vulnerability related to the GDTdiIcpt.sys kernel driver that can allow for a denial of service condition or execution of arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70119/TKADV2008-008.txt
Source: https://packetstormsecurity.com/files/70119/TKADV2008-008.txt.html