{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45770", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T07:45:21.251Z", "datePublished": "2026-09-10T21:42:03.007Z", "dateUpdated": "2026-09-10T21:42:22.056Z"}, "containers": {"cna": {"title": "Suricata lua: excessive flow variable registration can bypass sandbox", "problemTypes": [{"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/OISF/suricata/security/advisories/GHSA-653j-cc95-vj4c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OISF/suricata/security/advisories/GHSA-653j-cc95-vj4c"}, {"name": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315", "tags": ["x_refsource_MISC"], "url": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"}, {"name": "https://redmine.openinfosecfoundation.org/issues/8556", "tags": ["x_refsource_MISC"], "url": "https://redmine.openinfosecfoundation.org/issues/8556"}], "affected": [{"vendor": "OISF", "product": "suricata", "versions": [{"version": ">= 8.0.0, < 8.0.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-10T21:42:22.056Z"}, "descriptions": [{"lang": "en", "value": "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": {"advisory": "GHSA-653j-cc95-vj4c", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "suricata", "vendor": "OISF", "versions": [{"status": "affected", "version": ">= 8.0.0, < 8.0.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-45770", "lastModified": "2026-09-10T22:16:57.117", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-10T22:16:57.117", "references": [{"source": "security-advisories@github.com", "url": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-653j-cc95-vj4c"}, {"source": "security-advisories@github.com", "url": "https://redmine.openinfosecfoundation.org/issues/8556"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}, {"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-09-11T01:15:15.170210+00:00", "updated": "2026-09-11T02:30:17.362177+00:00", "vendors": []}