This indicates an attack attempt to exploit a Security Policy Bypass Vulnerability in OISF Suricata.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted response. An attacker can exploit this to bypass security policies on the on the affected machine via maliciously crafted response.
OISF Suricata prior to 4.0.4
Security Bypass: Remote attackers can bypass security checks of vulnerable systems.
Apply the most recent upgrade or patch from the vendor: