CVE-2026-49494 Comodo Internet Security Inspect.sys IPv6 Integer Underflow Remote Denial of Service

Comodo Internet Security's firewall driver Inspect.sys contains an integer underflow in its IPv6 packet parser. The parser decrements an unsigned 64-bit payload-length value taken from the IPv6 fixed header's payload length field by the size of each IPv6 extension header without validating it, so...