KisKrnl.sys 2011.1.13.89 and earlier in Kingsoft AntiVirus 2011 SP5.2 allows local users to cause a denial of service (crash) via a crafted request that is not properly handled by the KiFastCallEntry hook.
Buffer overflow in kavfm.sys in Kingsoft Antivirus 2010.04.26.648 and earlier allows local users to execute arbitrary code via a long argument to IOCTL 0x80030004. NOTE: some of these details are obtained from third party information.
KAVSafe.sys 2010.4.14.609 and earlier, as used in Kingsoft Webshield 3.5.1.2 and earlier, allows local users to overwrite arbitrary kernel memory via a crafted request to IOCTL 0x830020d4 on the KAVSafe device.
Heap-based buffer overflow in the KUpdateObj2 Class ActiveX control in UpdateOcx2.dll in Beijing KingSoft Antivirus Online Update Module 2007.12.29.29 allows remote attackers to execute arbitrary code via a long argument to the SetUninstallName method.
Buffer overflow in the Screen Fetch option in XDICT 2002 through 2005 allows remote attackers to cause a denial of service ( CPU consumption or application exit) and possibly execute arbitrary code via a long string.