CVE-2026-57222

A flaw was found in Suricata. This vulnerability allows a remote attacker to cause an incorrect detection state by sending specially crafted IPv4 and IPv6 address pairs. The flaw occurs because the system's IPPair hash does not properly compare the IP address family, leading to the reuse of state...

CVE-2026-57222: Incorrect Comparison

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, crafted IPv4 and IPv6 address pairs can collide in the IPPair hash because src/ippair.c did not compare the IP address family before reusing IPPair-back...