CVE-2026-45770

Name	CVE-2026-45770
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
suricata (PTS)	trixie	1:7.0.10-1+deb13u4	vulnerable
	forky, sid	1:8.0.6-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
suricata	source	(unstable)	1:8.0.5-1

Notes

https://github.com/OISF/suricata/security/advisories/GHSA-653j-cc95-vj4c
https://redmine.openinfosecfoundation.org/issues/8557 (suricata-8.0.5)
https://github.com/OISF/suricata/commit/09c45d91a565642dffefeb87c7b54c4e3224db73 (suricata-8.0.5)