{"id":"CVE-2026-45770","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-45770","summary":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, a Lua rule…","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, a Lua rule that registers too many flow variables can corrupt Lua detection state and may bypass Suricata's restricted Lua sandbox. This requires an affected Lua script/rule to be loaded. Excessive flow variables being registered may also cause Suricata to crash. Version 8.0.5 contains a fix. As a workaround, disable `security.lua.allow-rules` unless Lua rules are required.","published":"2026-09-10T22:16:57.117","modified":"2026-09-10T22:16:57.117","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"},{"type":"WEB","url":"https://github.com/OISF/suricata/security/advisories/GHSA-653j-cc95-vj4c"},{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/8556"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T22:16:57.117"}}