The Antivirus component in Comodo Internet Security before 5.3.175888.1227 allows remote attackers to cause a denial of service (application crash) via a crafted compressed file.
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in signed executable files have been revoked, which has unknown impact and remote attack vectors.
Race condition in Comodo Internet Security before 4.1.149672.916 on Windows XP allows local users to bypass kernel-mode hook handlers, and execute dangerous code that would otherwise be blocked by a handler but not blocked by signature-based malware detection, via certain user-space memory changes during hook-handler execution, aka an argument-switch attack or a KHOBE attack.
Comodo Internet Security before 5.10.228257.2253 on Windows 7 x64 allows local users to cause a denial of service (system crash) via a crafted 32-bit Portable Executable (PE) file with a kernel ImageBase value.