Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, various problems in handling of fragmentation anomalies can lead to mis-detection of rules and policy. This vulnerability is fixed in 7.0.5 or 6.0.19.
https://redmine.openinfosecfoundation.org/issues/6677
https://redmine.openinfosecfoundation.org/issues/6673
https://redmine.openinfosecfoundation.org/issues/6672
https://github.com/OISF/suricata/security/advisories/GHSA-xvrx-88mv-xcq5
https://github.com/OISF/suricata/commit/e6267758ed5da27f804f0c1c07f9423bdf4d72b8
https://github.com/OISF/suricata/commit/d13bd2ae217a6d2ceb347f74d27cbfcd37b9bda9
https://github.com/OISF/suricata/commit/bf3d420fb709ebe074019a99e3bd3a2364524a4b
https://github.com/OISF/suricata/commit/414f97c6695c5a2e1d378a36a6f50d7288767634
https://github.com/OISF/suricata/commit/2f39ba75f153ba9bdf8eedc2a839cc973dbaea66
https://github.com/OISF/suricata/commit/1e110d0a71db46571040b937e17a4bc9f91d6de9