Kaspersky Anti-Hacker 1.0, when configured to automatically block attacks, allows remote attackers to block IP addresses and cause a denial of service via spoofed packets.
Kaspersky Labs Antivirus Engine 6.0 for Windows and 5.5-10 for Linux before 20070102 enter an infinite loop upon encountering an invalid NumberOfRvaAndSizes value in the Optional Windows Header of a portable executable (PE) file, which allows remote attackers to cause a denial of service (CPU consumption) by scanning a crafted PE file.