Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.3, excessive memory use during pgsql parsing could lead to OOM-related crashes. This vulnerability is patched in 7.0.3. As workaround, users can disable the pgsql app layer parser.
https://redmine.openinfosecfoundation.org/issues/6411
https://github.com/OISF/suricata/security/advisories/GHSA-8583-353f-mvwc
https://github.com/OISF/suricata/commit/f52c033e566beafb4480c139eb18662a2870464f
https://github.com/OISF/suricata/commit/86de7cffa7e8f06fe9d600127e7dabe89c7e81dd